Home / 28,050,127.20-42,079,127.40-8,878,885.20

Finding the Fourth Proportional to 28,050,127.20, 42,079,127.40 and 8,878,885.20

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Solution

The fourth proportional to 28,050,127.20, 42,079,127.40 and 8,878,885.20 is: 13,319,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050,127.20 : 42,079,127.40 = 8,878,885.20 : x
  2. Step 2: Convert to fraction form
    28,050,127.20/42,079,127.40 = 8,878,885.20/x
  3. Step 3: Cross multiply
    28,050,127.20x = 42,079,127.40 × 8,878,885.20
  4. Step 4: Simplify right side
    28,050,127.20x = 373,615,741,500,774.44
  5. Step 5: Solve for x
    x = 373,615,741,500,774.44/28,050,127.20
  6. Step 6: Final answer
    x = 13,319,573.88

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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.