Home / 7,115,199.17-9,818,972.69-3,852,011.70

Finding the Fourth Proportional to 7,115,199.17, 9,818,972.69 and 3,852,011.70

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Solution

The fourth proportional to 7,115,199.17, 9,818,972.69 and 3,852,011.70 is: 5,315,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,199.17 : 9,818,972.69 = 3,852,011.70 : x
  2. Step 2: Convert to fraction form
    7,115,199.17/9,818,972.69 = 3,852,011.70/x
  3. Step 3: Cross multiply
    7,115,199.17x = 9,818,972.69 × 3,852,011.70
  4. Step 4: Simplify right side
    7,115,199.17x = 37,822,797,664,600.42
  5. Step 5: Solve for x
    x = 37,822,797,664,600.42/7,115,199.17
  6. Step 6: Final answer
    x = 5,315,774.98

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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.