Home / 21,720,123.20-32,571,890.40-6,569,019.20

Finding the Fourth Proportional to 21,720,123.20, 32,571,890.40 and 6,569,019.20

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Solution

The fourth proportional to 21,720,123.20, 32,571,890.40 and 6,569,019.20 is: 9,851,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,123.20 : 32,571,890.40 = 6,569,019.20 : x
  2. Step 2: Convert to fraction form
    21,720,123.20/32,571,890.40 = 6,569,019.20/x
  3. Step 3: Cross multiply
    21,720,123.20x = 32,571,890.40 × 6,569,019.20
  4. Step 4: Simplify right side
    21,720,123.20x = 213,965,373,417,895.69
  5. Step 5: Solve for x
    x = 213,965,373,417,895.69/21,720,123.20
  6. Step 6: Final answer
    x = 9,851,020.25

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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.