Home / 21,564,307.60-32,257,987.80-19,440,941.20

Finding the Fourth Proportional to 21,564,307.60, 32,257,987.80 and 19,440,941.20

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Solution

The fourth proportional to 21,564,307.60, 32,257,987.80 and 19,440,941.20 is: 29,081,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564,307.60 : 32,257,987.80 = 19,440,941.20 : x
  2. Step 2: Convert to fraction form
    21,564,307.60/32,257,987.80 = 19,440,941.20/x
  3. Step 3: Cross multiply
    21,564,307.60x = 32,257,987.80 × 19,440,941.20
  4. Step 4: Simplify right side
    21,564,307.60x = 627,125,644,050,117.38
  5. Step 5: Solve for x
    x = 627,125,644,050,117.38/21,564,307.60
  6. Step 6: Final answer
    x = 29,081,649.90

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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.