Home / 10,195,943.85-15,289,428.69-5,402,528.28

Finding the Fourth Proportional to 10,195,943.85, 15,289,428.69 and 5,402,528.28

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Solution

The fourth proportional to 10,195,943.85, 15,289,428.69 and 5,402,528.28 is: 8,101,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,943.85 : 15,289,428.69 = 5,402,528.28 : x
  2. Step 2: Convert to fraction form
    10,195,943.85/15,289,428.69 = 5,402,528.28/x
  3. Step 3: Cross multiply
    10,195,943.85x = 15,289,428.69 × 5,402,528.28
  4. Step 4: Simplify right side
    10,195,943.85x = 82,601,570,882,768.36
  5. Step 5: Solve for x
    x = 82,601,570,882,768.36/10,195,943.85
  6. Step 6: Final answer
    x = 8,101,414.85

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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.