Home / 28,177,293.77-42,236,441.46-11,791,966.10

Finding the Fourth Proportional to 28,177,293.77, 42,236,441.46 and 11,791,966.10

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Solution

The fourth proportional to 28,177,293.77, 42,236,441.46 and 11,791,966.10 is: 17,675,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,293.77 : 42,236,441.46 = 11,791,966.10 : x
  2. Step 2: Convert to fraction form
    28,177,293.77/42,236,441.46 = 11,791,966.10/x
  3. Step 3: Cross multiply
    28,177,293.77x = 42,236,441.46 × 11,791,966.10
  4. Step 4: Simplify right side
    28,177,293.77x = 498,050,685,946,397.88
  5. Step 5: Solve for x
    x = 498,050,685,946,397.88/28,177,293.77
  6. Step 6: Final answer
    x = 17,675,603.98

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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.