Home / 18,208,590.89-25,127,558.20-9,948,475.40

Finding the Fourth Proportional to 18,208,590.89, 25,127,558.20 and 9,948,475.40

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Solution

The fourth proportional to 18,208,590.89, 25,127,558.20 and 9,948,475.40 is: 13,728,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,590.89 : 25,127,558.20 = 9,948,475.40 : x
  2. Step 2: Convert to fraction form
    18,208,590.89/25,127,558.20 = 9,948,475.40/x
  3. Step 3: Cross multiply
    18,208,590.89x = 25,127,558.20 × 9,948,475.40
  4. Step 4: Simplify right side
    18,208,590.89x = 249,980,894,515,921.62
  5. Step 5: Solve for x
    x = 249,980,894,515,921.62/18,208,590.89
  6. Step 6: Final answer
    x = 13,728,733.65

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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.