Home / 8,349,720.16-12,506,584.80-5,639,140.18

Finding the Fourth Proportional to 8,349,720.16, 12,506,584.80 and 5,639,140.18

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Solution

The fourth proportional to 8,349,720.16, 12,506,584.80 and 5,639,140.18 is: 8,446,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349,720.16 : 12,506,584.80 = 5,639,140.18 : x
  2. Step 2: Convert to fraction form
    8,349,720.16/12,506,584.80 = 5,639,140.18/x
  3. Step 3: Cross multiply
    8,349,720.16x = 12,506,584.80 × 5,639,140.18
  4. Step 4: Simplify right side
    8,349,720.16x = 70,526,384,860,257.27
  5. Step 5: Solve for x
    x = 70,526,384,860,257.27/8,349,720.16
  6. Step 6: Final answer
    x = 8,446,556.71

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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.