Home / 8,130,350.34-12,191,980.95-2,737,551.78

Finding the Fourth Proportional to 8,130,350.34, 12,191,980.95 and 2,737,551.78

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Solution

The fourth proportional to 8,130,350.34, 12,191,980.95 and 2,737,551.78 is: 4,105,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,350.34 : 12,191,980.95 = 2,737,551.78 : x
  2. Step 2: Convert to fraction form
    8,130,350.34/12,191,980.95 = 2,737,551.78/x
  3. Step 3: Cross multiply
    8,130,350.34x = 12,191,980.95 × 2,737,551.78
  4. Step 4: Simplify right side
    8,130,350.34x = 33,376,179,151,398.59
  5. Step 5: Solve for x
    x = 33,376,179,151,398.59/8,130,350.34
  6. Step 6: Final answer
    x = 4,105,134.19

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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.