Home / 9,102,228.49-12,561,457.22-5,234,752.78

Finding the Fourth Proportional to 9,102,228.49, 12,561,457.22 and 5,234,752.78

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Solution

The fourth proportional to 9,102,228.49, 12,561,457.22 and 5,234,752.78 is: 7,224,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,228.49 : 12,561,457.22 = 5,234,752.78 : x
  2. Step 2: Convert to fraction form
    9,102,228.49/12,561,457.22 = 5,234,752.78/x
  3. Step 3: Cross multiply
    9,102,228.49x = 12,561,457.22 × 5,234,752.78
  4. Step 4: Simplify right side
    9,102,228.49x = 65,756,123,065,298.98
  5. Step 5: Solve for x
    x = 65,756,123,065,298.98/9,102,228.49
  6. Step 6: Final answer
    x = 7,224,178.47

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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.