Home / 28,202,474.40-42,303,711.60-8,007,716.40

Finding the Fourth Proportional to 28,202,474.40, 42,303,711.60 and 8,007,716.40

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Solution

The fourth proportional to 28,202,474.40, 42,303,711.60 and 8,007,716.40 is: 12,011,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,474.40 : 42,303,711.60 = 8,007,716.40 : x
  2. Step 2: Convert to fraction form
    28,202,474.40/42,303,711.60 = 8,007,716.40/x
  3. Step 3: Cross multiply
    28,202,474.40x = 42,303,711.60 × 8,007,716.40
  4. Step 4: Simplify right side
    28,202,474.40x = 338,756,125,160,190.25
  5. Step 5: Solve for x
    x = 338,756,125,160,190.25/28,202,474.40
  6. Step 6: Final answer
    x = 12,011,574.60

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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.