Home / 10,371,036.90-15,549,182.55-3,978,819.30

Finding the Fourth Proportional to 10,371,036.90, 15,549,182.55 and 3,978,819.30

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Solution

The fourth proportional to 10,371,036.90, 15,549,182.55 and 3,978,819.30 is: 5,965,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,036.90 : 15,549,182.55 = 3,978,819.30 : x
  2. Step 2: Convert to fraction form
    10,371,036.90/15,549,182.55 = 3,978,819.30/x
  3. Step 3: Cross multiply
    10,371,036.90x = 15,549,182.55 × 3,978,819.30
  4. Step 4: Simplify right side
    10,371,036.90x = 61,867,387,629,163.22
  5. Step 5: Solve for x
    x = 61,867,387,629,163.22/10,371,036.90
  6. Step 6: Final answer
    x = 5,965,400.40

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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.