Home / 9,000,681.12-12,420,845.32-4,870,621.92

Finding the Fourth Proportional to 9,000,681.12, 12,420,845.32 and 4,870,621.92

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Solution

The fourth proportional to 9,000,681.12, 12,420,845.32 and 4,870,621.92 is: 6,721,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,681.12 : 12,420,845.32 = 4,870,621.92 : x
  2. Step 2: Convert to fraction form
    9,000,681.12/12,420,845.32 = 4,870,621.92/x
  3. Step 3: Cross multiply
    9,000,681.12x = 12,420,845.32 × 4,870,621.92
  4. Step 4: Simplify right side
    9,000,681.12x = 60,497,241,480,521.41
  5. Step 5: Solve for x
    x = 60,497,241,480,521.41/9,000,681.12
  6. Step 6: Final answer
    x = 6,721,407.04

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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.