Home / 7,186,363.02-9,917,331.05-3,923,315.28

Finding the Fourth Proportional to 7,186,363.02, 9,917,331.05 and 3,923,315.28

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Solution

The fourth proportional to 7,186,363.02, 9,917,331.05 and 3,923,315.28 is: 5,414,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,363.02 : 9,917,331.05 = 3,923,315.28 : x
  2. Step 2: Convert to fraction form
    7,186,363.02/9,917,331.05 = 3,923,315.28/x
  3. Step 3: Cross multiply
    7,186,363.02x = 9,917,331.05 × 3,923,315.28
  4. Step 4: Simplify right side
    7,186,363.02x = 38,908,816,445,283.45
  5. Step 5: Solve for x
    x = 38,908,816,445,283.45/7,186,363.02
  6. Step 6: Final answer
    x = 5,414,257.02

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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.