Home / 8,400,728.46-12,607,818.93-4,358,374.86

Finding the Fourth Proportional to 8,400,728.46, 12,607,818.93 and 4,358,374.86

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Solution

The fourth proportional to 8,400,728.46, 12,607,818.93 and 4,358,374.86 is: 6,541,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,728.46 : 12,607,818.93 = 4,358,374.86 : x
  2. Step 2: Convert to fraction form
    8,400,728.46/12,607,818.93 = 4,358,374.86/x
  3. Step 3: Cross multiply
    8,400,728.46x = 12,607,818.93 × 4,358,374.86
  4. Step 4: Simplify right side
    8,400,728.46x = 54,949,601,063,944.10
  5. Step 5: Solve for x
    x = 54,949,601,063,944.10/8,400,728.46
  6. Step 6: Final answer
    x = 6,541,051.92

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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.