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Finding the Fourth Proportional to 10,463,713.80, 15,695,570.70 and 9,875,848.20

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Solution

The fourth proportional to 10,463,713.80, 15,695,570.70 and 9,875,848.20 is: 14,813,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463,713.80 : 15,695,570.70 = 9,875,848.20 : x
  2. Step 2: Convert to fraction form
    10,463,713.80/15,695,570.70 = 9,875,848.20/x
  3. Step 3: Cross multiply
    10,463,713.80x = 15,695,570.70 × 9,875,848.20
  4. Step 4: Simplify right side
    10,463,713.80x = 155,007,073,645,567.72
  5. Step 5: Solve for x
    x = 155,007,073,645,567.72/10,463,713.80
  6. Step 6: Final answer
    x = 14,813,772.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.