Home / 20,437,618.29-30,606,627.39-13,516,881.39

Finding the Fourth Proportional to 20,437,618.29, 30,606,627.39 and 13,516,881.39

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Solution

The fourth proportional to 20,437,618.29, 30,606,627.39 and 13,516,881.39 is: 20,242,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,618.29 : 30,606,627.39 = 13,516,881.39 : x
  2. Step 2: Convert to fraction form
    20,437,618.29/30,606,627.39 = 13,516,881.39/x
  3. Step 3: Cross multiply
    20,437,618.29x = 30,606,627.39 × 13,516,881.39
  4. Step 4: Simplify right side
    20,437,618.29x = 413,706,152,178,555.31
  5. Step 5: Solve for x
    x = 413,706,152,178,555.31/20,437,618.29
  6. Step 6: Final answer
    x = 20,242,385.70

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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.