Home / 18,887,587.70-28,331,381.55-6,109,384.10

Finding the Fourth Proportional to 18,887,587.70, 28,331,381.55 and 6,109,384.10

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Solution

The fourth proportional to 18,887,587.70, 28,331,381.55 and 6,109,384.10 is: 9,164,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,587.70 : 28,331,381.55 = 6,109,384.10 : x
  2. Step 2: Convert to fraction form
    18,887,587.70/28,331,381.55 = 6,109,384.10/x
  3. Step 3: Cross multiply
    18,887,587.70x = 28,331,381.55 × 6,109,384.10
  4. Step 4: Simplify right side
    18,887,587.70x = 173,087,291,972,603.34
  5. Step 5: Solve for x
    x = 173,087,291,972,603.34/18,887,587.70
  6. Step 6: Final answer
    x = 9,164,076.15

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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.