Home / 21,475,352.88-32,218,074.48-7,098,421.52

Finding the Fourth Proportional to 21,475,352.88, 32,218,074.48 and 7,098,421.52

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Solution

The fourth proportional to 21,475,352.88, 32,218,074.48 and 7,098,421.52 is: 10,649,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475,352.88 : 32,218,074.48 = 7,098,421.52 : x
  2. Step 2: Convert to fraction form
    21,475,352.88/32,218,074.48 = 7,098,421.52/x
  3. Step 3: Cross multiply
    21,475,352.88x = 32,218,074.48 × 7,098,421.52
  4. Step 4: Simplify right side
    21,475,352.88x = 228,697,473,221,794.81
  5. Step 5: Solve for x
    x = 228,697,473,221,794.81/21,475,352.88
  6. Step 6: Final answer
    x = 10,649,299.90

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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.