Home / 9,131,567.98-12,598,057.76-5,211,541.91

Finding the Fourth Proportional to 9,131,567.98, 12,598,057.76 and 5,211,541.91

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Solution

The fourth proportional to 9,131,567.98, 12,598,057.76 and 5,211,541.91 is: 7,189,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,567.98 : 12,598,057.76 = 5,211,541.91 : x
  2. Step 2: Convert to fraction form
    9,131,567.98/12,598,057.76 = 5,211,541.91/x
  3. Step 3: Cross multiply
    9,131,567.98x = 12,598,057.76 × 5,211,541.91
  4. Step 4: Simplify right side
    9,131,567.98x = 65,655,306,039,862.49
  5. Step 5: Solve for x
    x = 65,655,306,039,862.49/9,131,567.98
  6. Step 6: Final answer
    x = 7,189,926.87

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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.