Home / 21,853,496.80-32,780,245.20-10,516,088.80

Finding the Fourth Proportional to 21,853,496.80, 32,780,245.20 and 10,516,088.80

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Solution

The fourth proportional to 21,853,496.80, 32,780,245.20 and 10,516,088.80 is: 15,774,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,496.80 : 32,780,245.20 = 10,516,088.80 : x
  2. Step 2: Convert to fraction form
    21,853,496.80/32,780,245.20 = 10,516,088.80/x
  3. Step 3: Cross multiply
    21,853,496.80x = 32,780,245.20 × 10,516,088.80
  4. Step 4: Simplify right side
    21,853,496.80x = 344,719,969,408,973.75
  5. Step 5: Solve for x
    x = 344,719,969,408,973.75/21,853,496.80
  6. Step 6: Final answer
    x = 15,774,133.20

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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.