Home / 34,248,983.46-47,270,463.48-20,318,071.12

Finding the Fourth Proportional to 34,248,983.46, 47,270,463.48 and 20,318,071.12

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Solution

The fourth proportional to 34,248,983.46, 47,270,463.48 and 20,318,071.12 is: 28,043,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,248,983.46 : 47,270,463.48 = 20,318,071.12 : x
  2. Step 2: Convert to fraction form
    34,248,983.46/47,270,463.48 = 20,318,071.12/x
  3. Step 3: Cross multiply
    34,248,983.46x = 47,270,463.48 × 20,318,071.12
  4. Step 4: Simplify right side
    34,248,983.46x = 960,444,638,862,002.62
  5. Step 5: Solve for x
    x = 960,444,638,862,002.62/34,248,983.46
  6. Step 6: Final answer
    x = 28,043,011.55

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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.