Home / 8,788,638.56-13,172,312.40-3,729,320.48

Finding the Fourth Proportional to 8,788,638.56, 13,172,312.40 and 3,729,320.48

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Solution

The fourth proportional to 8,788,638.56, 13,172,312.40 and 3,729,320.48 is: 5,589,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,638.56 : 13,172,312.40 = 3,729,320.48 : x
  2. Step 2: Convert to fraction form
    8,788,638.56/13,172,312.40 = 3,729,320.48/x
  3. Step 3: Cross multiply
    8,788,638.56x = 13,172,312.40 × 3,729,320.48
  4. Step 4: Simplify right side
    8,788,638.56x = 49,123,774,402,277.95
  5. Step 5: Solve for x
    x = 49,123,774,402,277.95/8,788,638.56
  6. Step 6: Final answer
    x = 5,589,463.50

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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.