Home / 38,670,310.28-53,363,962.32-21,266,655.08

Finding the Fourth Proportional to 38,670,310.28, 53,363,962.32 and 21,266,655.08

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Solution

The fourth proportional to 38,670,310.28, 53,363,962.32 and 21,266,655.08 is: 29,347,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,310.28 : 53,363,962.32 = 21,266,655.08 : x
  2. Step 2: Convert to fraction form
    38,670,310.28/53,363,962.32 = 21,266,655.08/x
  3. Step 3: Cross multiply
    38,670,310.28x = 53,363,962.32 × 21,266,655.08
  4. Step 4: Simplify right side
    38,670,310.28x = 1,134,872,980,361,556.50
  5. Step 5: Solve for x
    x = 1,134,872,980,361,556.50/38,670,310.28
  6. Step 6: Final answer
    x = 29,347,397.84

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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.