Home / 8,912,178.76-12,299,282.64-5,045,562.76

Finding the Fourth Proportional to 8,912,178.76, 12,299,282.64 and 5,045,562.76

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Solution

The fourth proportional to 8,912,178.76, 12,299,282.64 and 5,045,562.76 is: 6,963,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,178.76 : 12,299,282.64 = 5,045,562.76 : x
  2. Step 2: Convert to fraction form
    8,912,178.76/12,299,282.64 = 5,045,562.76/x
  3. Step 3: Cross multiply
    8,912,178.76x = 12,299,282.64 × 5,045,562.76
  4. Step 4: Simplify right side
    8,912,178.76x = 62,056,802,463,098.48
  5. Step 5: Solve for x
    x = 62,056,802,463,098.48/8,912,178.76
  6. Step 6: Final answer
    x = 6,963,146.06

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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.