Home / 10,546,573.80-15,838,523.10-8,156,231.40

Finding the Fourth Proportional to 10,546,573.80, 15,838,523.10 and 8,156,231.40

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Solution

The fourth proportional to 10,546,573.80, 15,838,523.10 and 8,156,231.40 is: 12,248,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546,573.80 : 15,838,523.10 = 8,156,231.40 : x
  2. Step 2: Convert to fraction form
    10,546,573.80/15,838,523.10 = 8,156,231.40/x
  3. Step 3: Cross multiply
    10,546,573.80x = 15,838,523.10 × 8,156,231.40
  4. Step 4: Simplify right side
    10,546,573.80x = 129,182,659,437,845.34
  5. Step 5: Solve for x
    x = 129,182,659,437,845.34/10,546,573.80
  6. Step 6: Final answer
    x = 12,248,779.74

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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.