Home / 42,447,136.08-63,678,621.06-13,690,273.08

Finding the Fourth Proportional to 42,447,136.08, 63,678,621.06 and 13,690,273.08

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Solution

The fourth proportional to 42,447,136.08, 63,678,621.06 and 13,690,273.08 is: 20,537,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447,136.08 : 63,678,621.06 = 13,690,273.08 : x
  2. Step 2: Convert to fraction form
    42,447,136.08/63,678,621.06 = 13,690,273.08/x
  3. Step 3: Cross multiply
    42,447,136.08x = 63,678,621.06 × 13,690,273.08
  4. Step 4: Simplify right side
    42,447,136.08x = 871,777,711,669,239.12
  5. Step 5: Solve for x
    x = 871,777,711,669,239.12/42,447,136.08
  6. Step 6: Final answer
    x = 20,537,963.03

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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.