Home / 12,366,998.10-18,550,497.15-9,178,352.10

Finding the Fourth Proportional to 12,366,998.10, 18,550,497.15 and 9,178,352.10

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Solution

The fourth proportional to 12,366,998.10, 18,550,497.15 and 9,178,352.10 is: 13,767,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,998.10 : 18,550,497.15 = 9,178,352.10 : x
  2. Step 2: Convert to fraction form
    12,366,998.10/18,550,497.15 = 9,178,352.10/x
  3. Step 3: Cross multiply
    12,366,998.10x = 18,550,497.15 × 9,178,352.10
  4. Step 4: Simplify right side
    12,366,998.10x = 170,262,994,472,746.50
  5. Step 5: Solve for x
    x = 170,262,994,472,746.50/12,366,998.10
  6. Step 6: Final answer
    x = 13,767,528.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.