Home / 13,525,279.86-20,291,030.22-4,427,670.90

Finding the Fourth Proportional to 13,525,279.86, 20,291,030.22 and 4,427,670.90

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Solution

The fourth proportional to 13,525,279.86, 20,291,030.22 and 4,427,670.90 is: 6,642,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,279.86 : 20,291,030.22 = 4,427,670.90 : x
  2. Step 2: Convert to fraction form
    13,525,279.86/20,291,030.22 = 4,427,670.90/x
  3. Step 3: Cross multiply
    13,525,279.86x = 20,291,030.22 × 4,427,670.90
  4. Step 4: Simplify right side
    13,525,279.86x = 89,842,004,036,114.59
  5. Step 5: Solve for x
    x = 89,842,004,036,114.59/13,525,279.86
  6. Step 6: Final answer
    x = 6,642,524.59

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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.