Home / 12,736,472.74-19,104,875.16-3,638,867.16

Finding the Fourth Proportional to 12,736,472.74, 19,104,875.16 and 3,638,867.16

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Solution

The fourth proportional to 12,736,472.74, 19,104,875.16 and 3,638,867.16 is: 5,458,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,472.74 : 19,104,875.16 = 3,638,867.16 : x
  2. Step 2: Convert to fraction form
    12,736,472.74/19,104,875.16 = 3,638,867.16/x
  3. Step 3: Cross multiply
    12,736,472.74x = 19,104,875.16 × 3,638,867.16
  4. Step 4: Simplify right side
    12,736,472.74x = 69,520,102,815,623.75
  5. Step 5: Solve for x
    x = 69,520,102,815,623.75/12,736,472.74
  6. Step 6: Final answer
    x = 5,458,348.18

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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.