Home / 18,696,087.07-28,047,766.50-7,180,711.95

Finding the Fourth Proportional to 18,696,087.07, 28,047,766.50 and 7,180,711.95

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Solution

The fourth proportional to 18,696,087.07, 28,047,766.50 and 7,180,711.95 is: 10,772,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,087.07 : 28,047,766.50 = 7,180,711.95 : x
  2. Step 2: Convert to fraction form
    18,696,087.07/28,047,766.50 = 7,180,711.95/x
  3. Step 3: Cross multiply
    18,696,087.07x = 28,047,766.50 × 7,180,711.95
  4. Step 4: Simplify right side
    18,696,087.07x = 201,402,932,077,359.69
  5. Step 5: Solve for x
    x = 201,402,932,077,359.69/18,696,087.07
  6. Step 6: Final answer
    x = 10,772,464.38

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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.