Home / 39,549,294.45-54,577,296.10-21,907,809.92

Finding the Fourth Proportional to 39,549,294.45, 54,577,296.10 and 21,907,809.92

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Solution

The fourth proportional to 39,549,294.45, 54,577,296.10 and 21,907,809.92 is: 30,232,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549,294.45 : 54,577,296.10 = 21,907,809.92 : x
  2. Step 2: Convert to fraction form
    39,549,294.45/54,577,296.10 = 21,907,809.92/x
  3. Step 3: Cross multiply
    39,549,294.45x = 54,577,296.10 × 21,907,809.92
  4. Step 4: Simplify right side
    39,549,294.45x = 1,195,669,028,988,031
  5. Step 5: Solve for x
    x = 1,195,669,028,988,031/39,549,294.45
  6. Step 6: Final answer
    x = 30,232,373.18

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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.