Home / 9,000,591.15-12,420,848.40-4,870,621.86

Finding the Fourth Proportional to 9,000,591.15, 12,420,848.40 and 4,870,621.86

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Solution

The fourth proportional to 9,000,591.15, 12,420,848.40 and 4,870,621.86 is: 6,721,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,591.15 : 12,420,848.40 = 4,870,621.86 : x
  2. Step 2: Convert to fraction form
    9,000,591.15/12,420,848.40 = 4,870,621.86/x
  3. Step 3: Cross multiply
    9,000,591.15x = 12,420,848.40 × 4,870,621.86
  4. Step 4: Simplify right side
    9,000,591.15x = 60,497,255,736,786.03
  5. Step 5: Solve for x
    x = 60,497,255,736,786.03/9,000,591.15
  6. Step 6: Final answer
    x = 6,721,475.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.