Home / 10,282,490.74-14,181,563.28-9,039,443.28

Finding the Fourth Proportional to 10,282,490.74, 14,181,563.28 and 9,039,443.28

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Solution

The fourth proportional to 10,282,490.74, 14,181,563.28 and 9,039,443.28 is: 12,467,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,490.74 : 14,181,563.28 = 9,039,443.28 : x
  2. Step 2: Convert to fraction form
    10,282,490.74/14,181,563.28 = 9,039,443.28/x
  3. Step 3: Cross multiply
    10,282,490.74x = 14,181,563.28 × 9,039,443.28
  4. Step 4: Simplify right side
    10,282,490.74x = 128,193,436,872,007.80
  5. Step 5: Solve for x
    x = 128,193,436,872,007.80/10,282,490.74
  6. Step 6: Final answer
    x = 12,467,158.02

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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.