Home / 9,042,732.12-12,478,246.38-5,174,366.52

Finding the Fourth Proportional to 9,042,732.12, 12,478,246.38 and 5,174,366.52

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Solution

The fourth proportional to 9,042,732.12, 12,478,246.38 and 5,174,366.52 is: 7,140,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,732.12 : 12,478,246.38 = 5,174,366.52 : x
  2. Step 2: Convert to fraction form
    9,042,732.12/12,478,246.38 = 5,174,366.52/x
  3. Step 3: Cross multiply
    9,042,732.12x = 12,478,246.38 × 5,174,366.52
  4. Step 4: Simplify right side
    9,042,732.12x = 64,567,020,296,983.20
  5. Step 5: Solve for x
    x = 64,567,020,296,983.20/9,042,732.12
  6. Step 6: Final answer
    x = 7,140,211.55

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1.5x scale

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.