Home / 15,604,442.34-21,538,458-9,079,332.09

Finding the Fourth Proportional to 15,604,442.34, 21,538,458 and 9,079,332.09

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Solution

The fourth proportional to 15,604,442.34, 21,538,458 and 9,079,332.09 is: 12,531,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,442.34 : 21,538,458 = 9,079,332.09 : x
  2. Step 2: Convert to fraction form
    15,604,442.34/21,538,458 = 9,079,332.09/x
  3. Step 3: Cross multiply
    15,604,442.34x = 21,538,458 × 9,079,332.09
  4. Step 4: Simplify right side
    15,604,442.34x = 195,554,812,888,517.22
  5. Step 5: Solve for x
    x = 195,554,812,888,517.22/15,604,442.34
  6. Step 6: Final answer
    x = 12,531,996.25

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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.