Home / 19,440,090.80-29,160,136.20-19,156,655.60

Finding the Fourth Proportional to 19,440,090.80, 29,160,136.20 and 19,156,655.60

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Solution

The fourth proportional to 19,440,090.80, 29,160,136.20 and 19,156,655.60 is: 28,734,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,090.80 : 29,160,136.20 = 19,156,655.60 : x
  2. Step 2: Convert to fraction form
    19,440,090.80/29,160,136.20 = 19,156,655.60/x
  3. Step 3: Cross multiply
    19,440,090.80x = 29,160,136.20 × 19,156,655.60
  4. Step 4: Simplify right side
    19,440,090.80x = 558,610,686,432,492.75
  5. Step 5: Solve for x
    x = 558,610,686,432,492.75/19,440,090.80
  6. Step 6: Final answer
    x = 28,734,983.40

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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.