Home / 10,152,004.80-15,228,007.20-9,679,612.80

Finding the Fourth Proportional to 10,152,004.80, 15,228,007.20 and 9,679,612.80

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Solution

The fourth proportional to 10,152,004.80, 15,228,007.20 and 9,679,612.80 is: 14,519,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152,004.80 : 15,228,007.20 = 9,679,612.80 : x
  2. Step 2: Convert to fraction form
    10,152,004.80/15,228,007.20 = 9,679,612.80/x
  3. Step 3: Cross multiply
    10,152,004.80x = 15,228,007.20 × 9,679,612.80
  4. Step 4: Simplify right side
    10,152,004.80x = 147,401,213,411,612.16
  5. Step 5: Solve for x
    x = 147,401,213,411,612.16/10,152,004.80
  6. Step 6: Final answer
    x = 14,519,419.20

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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.