Home / 15,371,866.32-21,213,260.28-8,402,555.04

Finding the Fourth Proportional to 15,371,866.32, 21,213,260.28 and 8,402,555.04

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Solution

The fourth proportional to 15,371,866.32, 21,213,260.28 and 8,402,555.04 is: 11,595,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371,866.32 : 21,213,260.28 = 8,402,555.04 : x
  2. Step 2: Convert to fraction form
    15,371,866.32/21,213,260.28 = 8,402,555.04/x
  3. Step 3: Cross multiply
    15,371,866.32x = 21,213,260.28 × 8,402,555.04
  4. Step 4: Simplify right side
    15,371,866.32x = 178,245,587,080,545.81
  5. Step 5: Solve for x
    x = 178,245,587,080,545.81/15,371,866.32
  6. Step 6: Final answer
    x = 11,595,572.29

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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.