Home / 10,275,948.12-15,411,993.06-5,157,004.89

Finding the Fourth Proportional to 10,275,948.12, 15,411,993.06 and 5,157,004.89

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Solution

The fourth proportional to 10,275,948.12, 15,411,993.06 and 5,157,004.89 is: 7,734,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275,948.12 : 15,411,993.06 = 5,157,004.89 : x
  2. Step 2: Convert to fraction form
    10,275,948.12/15,411,993.06 = 5,157,004.89/x
  3. Step 3: Cross multiply
    10,275,948.12x = 15,411,993.06 × 5,157,004.89
  4. Step 4: Simplify right side
    10,275,948.12x = 79,479,723,575,066.06
  5. Step 5: Solve for x
    x = 79,479,723,575,066.06/10,275,948.12
  6. Step 6: Final answer
    x = 7,734,539.20

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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.