Home / 38,139,587.10-57,211,143.21-12,582,829.98

Finding the Fourth Proportional to 38,139,587.10, 57,211,143.21 and 12,582,829.98

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Solution

The fourth proportional to 38,139,587.10, 57,211,143.21 and 12,582,829.98 is: 18,874,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139,587.10 : 57,211,143.21 = 12,582,829.98 : x
  2. Step 2: Convert to fraction form
    38,139,587.10/57,211,143.21 = 12,582,829.98/x
  3. Step 3: Cross multiply
    38,139,587.10x = 57,211,143.21 × 12,582,829.98
  4. Step 4: Simplify right side
    38,139,587.10x = 719,878,087,972,861.50
  5. Step 5: Solve for x
    x = 719,878,087,972,861.50/38,139,587.10
  6. Step 6: Final answer
    x = 18,874,826.47

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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.