Home / 28,371,483.28-42,549,471.60-10,172,299.60

Finding the Fourth Proportional to 28,371,483.28, 42,549,471.60 and 10,172,299.60

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Solution

The fourth proportional to 28,371,483.28, 42,549,471.60 and 10,172,299.60 is: 15,255,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,483.28 : 42,549,471.60 = 10,172,299.60 : x
  2. Step 2: Convert to fraction form
    28,371,483.28/42,549,471.60 = 10,172,299.60/x
  3. Step 3: Cross multiply
    28,371,483.28x = 42,549,471.60 × 10,172,299.60
  4. Step 4: Simplify right side
    28,371,483.28x = 432,825,972,936,891.38
  5. Step 5: Solve for x
    x = 432,825,972,936,891.38/28,371,483.28
  6. Step 6: Final answer
    x = 15,255,669.53

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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.