Home / 10,258,630.80-15,387,946.20-9,786,238.80

Finding the Fourth Proportional to 10,258,630.80, 15,387,946.20 and 9,786,238.80

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Solution

The fourth proportional to 10,258,630.80, 15,387,946.20 and 9,786,238.80 is: 14,679,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,630.80 : 15,387,946.20 = 9,786,238.80 : x
  2. Step 2: Convert to fraction form
    10,258,630.80/15,387,946.20 = 9,786,238.80/x
  3. Step 3: Cross multiply
    10,258,630.80x = 15,387,946.20 × 9,786,238.80
  4. Step 4: Simplify right side
    10,258,630.80x = 150,590,116,154,752.56
  5. Step 5: Solve for x
    x = 150,590,116,154,752.56/10,258,630.80
  6. Step 6: Final answer
    x = 14,679,358.20

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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.