Home / 12,947,762.34-17,865,244.76-7,440,073.11

Finding the Fourth Proportional to 12,947,762.34, 17,865,244.76 and 7,440,073.11

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Solution

The fourth proportional to 12,947,762.34, 17,865,244.76 and 7,440,073.11 is: 10,265,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,762.34 : 17,865,244.76 = 7,440,073.11 : x
  2. Step 2: Convert to fraction form
    12,947,762.34/17,865,244.76 = 7,440,073.11/x
  3. Step 3: Cross multiply
    12,947,762.34x = 17,865,244.76 × 7,440,073.11
  4. Step 4: Simplify right side
    12,947,762.34x = 132,918,727,145,787.78
  5. Step 5: Solve for x
    x = 132,918,727,145,787.78/12,947,762.34
  6. Step 6: Final answer
    x = 10,265,768.22

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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.