Home / 21,491,038.40-32,236,557.60-7,307,614.40

Finding the Fourth Proportional to 21,491,038.40, 32,236,557.60 and 7,307,614.40

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Solution

The fourth proportional to 21,491,038.40, 32,236,557.60 and 7,307,614.40 is: 10,961,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,038.40 : 32,236,557.60 = 7,307,614.40 : x
  2. Step 2: Convert to fraction form
    21,491,038.40/32,236,557.60 = 7,307,614.40/x
  3. Step 3: Cross multiply
    21,491,038.40x = 32,236,557.60 × 7,307,614.40
  4. Step 4: Simplify right side
    21,491,038.40x = 235,572,332,524,189.47
  5. Step 5: Solve for x
    x = 235,572,332,524,189.47/21,491,038.40
  6. Step 6: Final answer
    x = 10,961,421.60

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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.