Home / 12,392,068.16-17,100,998.70-6,886,339.40

Finding the Fourth Proportional to 12,392,068.16, 17,100,998.70 and 6,886,339.40

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Solution

The fourth proportional to 12,392,068.16, 17,100,998.70 and 6,886,339.40 is: 9,503,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,068.16 : 17,100,998.70 = 6,886,339.40 : x
  2. Step 2: Convert to fraction form
    12,392,068.16/17,100,998.70 = 6,886,339.40/x
  3. Step 3: Cross multiply
    12,392,068.16x = 17,100,998.70 × 6,886,339.40
  4. Step 4: Simplify right side
    12,392,068.16x = 117,763,281,127,158.78
  5. Step 5: Solve for x
    x = 117,763,281,127,158.78/12,392,068.16
  6. Step 6: Final answer
    x = 9,503,117.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.