Home / 8,316,101.70-12,474,152.55-4,720,479.30

Finding the Fourth Proportional to 8,316,101.70, 12,474,152.55 and 4,720,479.30

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Solution

The fourth proportional to 8,316,101.70, 12,474,152.55 and 4,720,479.30 is: 7,080,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,101.70 : 12,474,152.55 = 4,720,479.30 : x
  2. Step 2: Convert to fraction form
    8,316,101.70/12,474,152.55 = 4,720,479.30/x
  3. Step 3: Cross multiply
    8,316,101.70x = 12,474,152.55 × 4,720,479.30
  4. Step 4: Simplify right side
    8,316,101.70x = 58,883,978,897,317.22
  5. Step 5: Solve for x
    x = 58,883,978,897,317.22/8,316,101.70
  6. Step 6: Final answer
    x = 7,080,718.95

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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.