Home / 9,341,147.20-14,011,720.80-4,292,457.70

Finding the Fourth Proportional to 9,341,147.20, 14,011,720.80 and 4,292,457.70

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Solution

The fourth proportional to 9,341,147.20, 14,011,720.80 and 4,292,457.70 is: 6,438,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,147.20 : 14,011,720.80 = 4,292,457.70 : x
  2. Step 2: Convert to fraction form
    9,341,147.20/14,011,720.80 = 4,292,457.70/x
  3. Step 3: Cross multiply
    9,341,147.20x = 14,011,720.80 × 4,292,457.70
  4. Step 4: Simplify right side
    9,341,147.20x = 60,144,718,838,210.16
  5. Step 5: Solve for x
    x = 60,144,718,838,210.16/9,341,147.20
  6. Step 6: Final answer
    x = 6,438,686.55

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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.