Home / 8,898,475.48-12,280,811.55-5,414,061.70

Finding the Fourth Proportional to 8,898,475.48, 12,280,811.55 and 5,414,061.70

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Solution

The fourth proportional to 8,898,475.48, 12,280,811.55 and 5,414,061.70 is: 7,471,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,475.48 : 12,280,811.55 = 5,414,061.70 : x
  2. Step 2: Convert to fraction form
    8,898,475.48/12,280,811.55 = 5,414,061.70/x
  3. Step 3: Cross multiply
    8,898,475.48x = 12,280,811.55 × 5,414,061.70
  4. Step 4: Simplify right side
    8,898,475.48x = 66,489,071,457,772.64
  5. Step 5: Solve for x
    x = 66,489,071,457,772.64/8,898,475.48
  6. Step 6: Final answer
    x = 7,471,962.09

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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.