Home / 28,219,329.53-42,324,459.74-7,744,266.17

Finding the Fourth Proportional to 28,219,329.53, 42,324,459.74 and 7,744,266.17

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Solution

The fourth proportional to 28,219,329.53, 42,324,459.74 and 7,744,266.17 is: 11,615,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219,329.53 : 42,324,459.74 = 7,744,266.17 : x
  2. Step 2: Convert to fraction form
    28,219,329.53/42,324,459.74 = 7,744,266.17/x
  3. Step 3: Cross multiply
    28,219,329.53x = 42,324,459.74 × 7,744,266.17
  4. Step 4: Simplify right side
    28,219,329.53x = 327,771,881,689,287.69
  5. Step 5: Solve for x
    x = 327,771,881,689,287.69/28,219,329.53
  6. Step 6: Final answer
    x = 11,615,154.83

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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.