Home / 10,275,017.48-15,401,385.24-5,145,080.25

Finding the Fourth Proportional to 10,275,017.48, 15,401,385.24 and 5,145,080.25

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Solution

The fourth proportional to 10,275,017.48, 15,401,385.24 and 5,145,080.25 is: 7,712,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275,017.48 : 15,401,385.24 = 5,145,080.25 : x
  2. Step 2: Convert to fraction form
    10,275,017.48/15,401,385.24 = 5,145,080.25/x
  3. Step 3: Cross multiply
    10,275,017.48x = 15,401,385.24 × 5,145,080.25
  4. Step 4: Simplify right side
    10,275,017.48x = 79,241,363,020,965.52
  5. Step 5: Solve for x
    x = 79,241,363,020,965.52/10,275,017.48
  6. Step 6: Final answer
    x = 7,712,041.68

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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.