Home / 18,208,505.43-25,127,444.16-9,948,390.30

Finding the Fourth Proportional to 18,208,505.43, 25,127,444.16 and 9,948,390.30

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Solution

The fourth proportional to 18,208,505.43, 25,127,444.16 and 9,948,390.30 is: 13,728,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,505.43 : 25,127,444.16 = 9,948,390.30 : x
  2. Step 2: Convert to fraction form
    18,208,505.43/25,127,444.16 = 9,948,390.30/x
  3. Step 3: Cross multiply
    18,208,505.43x = 25,127,444.16 × 9,948,390.30
  4. Step 4: Simplify right side
    18,208,505.43x = 249,977,621,745,135.66
  5. Step 5: Solve for x
    x = 249,977,621,745,135.66/18,208,505.43
  6. Step 6: Final answer
    x = 13,728,618.35

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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.