Home / 10,342,630.89-14,273,478.95-5,696,415

Finding the Fourth Proportional to 10,342,630.89, 14,273,478.95 and 5,696,415

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Solution

The fourth proportional to 10,342,630.89, 14,273,478.95 and 5,696,415 is: 7,861,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,630.89 : 14,273,478.95 = 5,696,415 : x
  2. Step 2: Convert to fraction form
    10,342,630.89/14,273,478.95 = 5,696,415/x
  3. Step 3: Cross multiply
    10,342,630.89x = 14,273,478.95 × 5,696,415
  4. Step 4: Simplify right side
    10,342,630.89x = 81,307,659,592,964.25
  5. Step 5: Solve for x
    x = 81,307,659,592,964.25/10,342,630.89
  6. Step 6: Final answer
    x = 7,861,409.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.