Home / 38,389,400.38-52,977,725.02-21,869,280.10

Finding the Fourth Proportional to 38,389,400.38, 52,977,725.02 and 21,869,280.10

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Solution

The fourth proportional to 38,389,400.38, 52,977,725.02 and 21,869,280.10 is: 30,179,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389,400.38 : 52,977,725.02 = 21,869,280.10 : x
  2. Step 2: Convert to fraction form
    38,389,400.38/52,977,725.02 = 21,869,280.10/x
  3. Step 3: Cross multiply
    38,389,400.38x = 52,977,725.02 × 21,869,280.10
  4. Step 4: Simplify right side
    38,389,400.38x = 1,158,584,707,523,158.25
  5. Step 5: Solve for x
    x = 1,158,584,707,523,158.25/38,389,400.38
  6. Step 6: Final answer
    x = 30,179,807.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.