Home / 7,240,840.90-10,851,930.15-5,549,560.90

Finding the Fourth Proportional to 7,240,840.90, 10,851,930.15 and 5,549,560.90

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Solution

The fourth proportional to 7,240,840.90, 10,851,930.15 and 5,549,560.90 is: 8,317,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,840.90 : 10,851,930.15 = 5,549,560.90 : x
  2. Step 2: Convert to fraction form
    7,240,840.90/10,851,930.15 = 5,549,560.90/x
  3. Step 3: Cross multiply
    7,240,840.90x = 10,851,930.15 × 5,549,560.90
  4. Step 4: Simplify right side
    7,240,840.90x = 60,223,447,249,971.14
  5. Step 5: Solve for x
    x = 60,223,447,249,971.14/7,240,840.90
  6. Step 6: Final answer
    x = 8,317,189.69

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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.