Home / 18,819,050.79-28,228,770.93-5,688,577.70

Finding the Fourth Proportional to 18,819,050.79, 28,228,770.93 and 5,688,577.70

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Solution

The fourth proportional to 18,819,050.79, 28,228,770.93 and 5,688,577.70 is: 8,532,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,050.79 : 28,228,770.93 = 5,688,577.70 : x
  2. Step 2: Convert to fraction form
    18,819,050.79/28,228,770.93 = 5,688,577.70/x
  3. Step 3: Cross multiply
    18,819,050.79x = 28,228,770.93 × 5,688,577.70
  4. Step 4: Simplify right side
    18,819,050.79x = 160,581,556,929,714.91
  5. Step 5: Solve for x
    x = 160,581,556,929,714.91/18,819,050.79
  6. Step 6: Final answer
    x = 8,532,925.42

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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.