Home / 39,719,948-54,815,221.56-22,316,326.88

Finding the Fourth Proportional to 39,719,948, 54,815,221.56 and 22,316,326.88

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Solution

The fourth proportional to 39,719,948, 54,815,221.56 and 22,316,326.88 is: 30,797,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719,948 : 54,815,221.56 = 22,316,326.88 : x
  2. Step 2: Convert to fraction form
    39,719,948/54,815,221.56 = 22,316,326.88/x
  3. Step 3: Cross multiply
    39,719,948x = 54,815,221.56 × 22,316,326.88
  4. Step 4: Simplify right side
    39,719,948x = 1,223,274,402,332,583.50
  5. Step 5: Solve for x
    x = 1,223,274,402,332,583.50/39,719,948
  6. Step 6: Final answer
    x = 30,797,482.47

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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.