Home / 10,117,972.80-15,171,710.40-3,724,934.40

Finding the Fourth Proportional to 10,117,972.80, 15,171,710.40 and 3,724,934.40

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Solution

The fourth proportional to 10,117,972.80, 15,171,710.40 and 3,724,934.40 is: 5,585,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117,972.80 : 15,171,710.40 = 3,724,934.40 : x
  2. Step 2: Convert to fraction form
    10,117,972.80/15,171,710.40 = 3,724,934.40/x
  3. Step 3: Cross multiply
    10,117,972.80x = 15,171,710.40 × 3,724,934.40
  4. Step 4: Simplify right side
    10,117,972.80x = 56,513,625,975,797.76
  5. Step 5: Solve for x
    x = 56,513,625,975,797.76/10,117,972.80
  6. Step 6: Final answer
    x = 5,585,469.25

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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.