Home / 13,235,902.60-19,853,853.90-8,700,939.40

Finding the Fourth Proportional to 13,235,902.60, 19,853,853.90 and 8,700,939.40

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Solution

The fourth proportional to 13,235,902.60, 19,853,853.90 and 8,700,939.40 is: 13,051,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,902.60 : 19,853,853.90 = 8,700,939.40 : x
  2. Step 2: Convert to fraction form
    13,235,902.60/19,853,853.90 = 8,700,939.40/x
  3. Step 3: Cross multiply
    13,235,902.60x = 19,853,853.90 × 8,700,939.40
  4. Step 4: Simplify right side
    13,235,902.60x = 172,747,179,640,353.66
  5. Step 5: Solve for x
    x = 172,747,179,640,353.66/13,235,902.60
  6. Step 6: Final answer
    x = 13,051,409.10

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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.