Home / 21,853,480.80-32,780,221.20-10,516,072.80

Finding the Fourth Proportional to 21,853,480.80, 32,780,221.20 and 10,516,072.80

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Solution

The fourth proportional to 21,853,480.80, 32,780,221.20 and 10,516,072.80 is: 15,774,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,480.80 : 32,780,221.20 = 10,516,072.80 : x
  2. Step 2: Convert to fraction form
    21,853,480.80/32,780,221.20 = 10,516,072.80/x
  3. Step 3: Cross multiply
    21,853,480.80x = 32,780,221.20 × 10,516,072.80
  4. Step 4: Simplify right side
    21,853,480.80x = 344,719,192,539,303.38
  5. Step 5: Solve for x
    x = 344,719,192,539,303.38/21,853,480.80
  6. Step 6: Final answer
    x = 15,774,109.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.