Home / 28,134,344.28-42,195,611.53-7,934,862.36

Finding the Fourth Proportional to 28,134,344.28, 42,195,611.53 and 7,934,862.36

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Solution

The fourth proportional to 28,134,344.28, 42,195,611.53 and 7,934,862.36 is: 11,900,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,344.28 : 42,195,611.53 = 7,934,862.36 : x
  2. Step 2: Convert to fraction form
    28,134,344.28/42,195,611.53 = 7,934,862.36/x
  3. Step 3: Cross multiply
    28,134,344.28x = 42,195,611.53 × 7,934,862.36
  4. Step 4: Simplify right side
    28,134,344.28x = 334,816,369,810,097.50
  5. Step 5: Solve for x
    x = 334,816,369,810,097.50/28,134,344.28
  6. Step 6: Final answer
    x = 11,900,628.16

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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.