Home / 10,109,909.70-15,164,864.55-5,805,237.60

Finding the Fourth Proportional to 10,109,909.70, 15,164,864.55 and 5,805,237.60

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Solution

The fourth proportional to 10,109,909.70, 15,164,864.55 and 5,805,237.60 is: 8,707,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,909.70 : 15,164,864.55 = 5,805,237.60 : x
  2. Step 2: Convert to fraction form
    10,109,909.70/15,164,864.55 = 5,805,237.60/x
  3. Step 3: Cross multiply
    10,109,909.70x = 15,164,864.55 × 5,805,237.60
  4. Step 4: Simplify right side
    10,109,909.70x = 88,035,641,884,567.08
  5. Step 5: Solve for x
    x = 88,035,641,884,567.08/10,109,909.70
  6. Step 6: Final answer
    x = 8,707,856.40

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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.