Home / 7,294,119.14-10,931,398.65-5,676,840.78

Finding the Fourth Proportional to 7,294,119.14, 10,931,398.65 and 5,676,840.78

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Solution

The fourth proportional to 7,294,119.14, 10,931,398.65 and 5,676,840.78 is: 8,507,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294,119.14 : 10,931,398.65 = 5,676,840.78 : x
  2. Step 2: Convert to fraction form
    7,294,119.14/10,931,398.65 = 5,676,840.78/x
  3. Step 3: Cross multiply
    7,294,119.14x = 10,931,398.65 × 5,676,840.78
  4. Step 4: Simplify right side
    7,294,119.14x = 62,055,809,638,756.95
  5. Step 5: Solve for x
    x = 62,055,809,638,756.95/7,294,119.14
  6. Step 6: Final answer
    x = 8,507,649.58

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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.