Home / 20,732,478.02-31,098,730.84-8,598,683.52

Finding the Fourth Proportional to 20,732,478.02, 31,098,730.84 and 8,598,683.52

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Solution

The fourth proportional to 20,732,478.02, 31,098,730.84 and 8,598,683.52 is: 12,898,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,478.02 : 31,098,730.84 = 8,598,683.52 : x
  2. Step 2: Convert to fraction form
    20,732,478.02/31,098,730.84 = 8,598,683.52/x
  3. Step 3: Cross multiply
    20,732,478.02x = 31,098,730.84 × 8,598,683.52
  4. Step 4: Simplify right side
    20,732,478.02x = 267,408,144,366,823.75
  5. Step 5: Solve for x
    x = 267,408,144,366,823.75/20,732,478.02
  6. Step 6: Final answer
    x = 12,898,031.01

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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.