Home / 20,854,852.60-31,253,483.40-15,051,319.96

Finding the Fourth Proportional to 20,854,852.60, 31,253,483.40 and 15,051,319.96

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Solution

The fourth proportional to 20,854,852.60, 31,253,483.40 and 15,051,319.96 is: 22,556,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,852.60 : 31,253,483.40 = 15,051,319.96 : x
  2. Step 2: Convert to fraction form
    20,854,852.60/31,253,483.40 = 15,051,319.96/x
  3. Step 3: Cross multiply
    20,854,852.60x = 31,253,483.40 × 15,051,319.96
  4. Step 4: Simplify right side
    20,854,852.60x = 470,406,178,517,948.69
  5. Step 5: Solve for x
    x = 470,406,178,517,948.69/20,854,852.60
  6. Step 6: Final answer
    x = 22,556,197.71

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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.