Home / 15,442,666.65-21,302,025.91-9,631,359.32

Finding the Fourth Proportional to 15,442,666.65, 21,302,025.91 and 9,631,359.32

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Solution

The fourth proportional to 15,442,666.65, 21,302,025.91 and 9,631,359.32 is: 13,285,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,666.65 : 21,302,025.91 = 9,631,359.32 : x
  2. Step 2: Convert to fraction form
    15,442,666.65/21,302,025.91 = 9,631,359.32/x
  3. Step 3: Cross multiply
    15,442,666.65x = 21,302,025.91 × 9,631,359.32
  4. Step 4: Simplify right side
    15,442,666.65x = 205,167,465,652,571.44
  5. Step 5: Solve for x
    x = 205,167,465,652,571.44/15,442,666.65
  6. Step 6: Final answer
    x = 13,285,753.70

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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.