Home / 28,471,720.80-42,707,581.20-23,684,815.20

Finding the Fourth Proportional to 28,471,720.80, 42,707,581.20 and 23,684,815.20

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Solution

The fourth proportional to 28,471,720.80, 42,707,581.20 and 23,684,815.20 is: 35,527,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,720.80 : 42,707,581.20 = 23,684,815.20 : x
  2. Step 2: Convert to fraction form
    28,471,720.80/42,707,581.20 = 23,684,815.20/x
  3. Step 3: Cross multiply
    28,471,720.80x = 42,707,581.20 × 23,684,815.20
  4. Step 4: Simplify right side
    28,471,720.80x = 1,011,521,168,360,994.25
  5. Step 5: Solve for x
    x = 1,011,521,168,360,994.25/28,471,720.80
  6. Step 6: Final answer
    x = 35,527,222.80

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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.