Home / 10,253,856.30-15,380,784.45-8,586,681.90

Finding the Fourth Proportional to 10,253,856.30, 15,380,784.45 and 8,586,681.90

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Solution

The fourth proportional to 10,253,856.30, 15,380,784.45 and 8,586,681.90 is: 12,880,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,856.30 : 15,380,784.45 = 8,586,681.90 : x
  2. Step 2: Convert to fraction form
    10,253,856.30/15,380,784.45 = 8,586,681.90/x
  3. Step 3: Cross multiply
    10,253,856.30x = 15,380,784.45 × 8,586,681.90
  4. Step 4: Simplify right side
    10,253,856.30x = 132,069,903,444,616.45
  5. Step 5: Solve for x
    x = 132,069,903,444,616.45/10,253,856.30
  6. Step 6: Final answer
    x = 12,880,022.85

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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.