Home / 31,746,260.10-43,819,162.53-20,734,693.20

Finding the Fourth Proportional to 31,746,260.10, 43,819,162.53 and 20,734,693.20

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Solution

The fourth proportional to 31,746,260.10, 43,819,162.53 and 20,734,693.20 is: 28,619,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746,260.10 : 43,819,162.53 = 20,734,693.20 : x
  2. Step 2: Convert to fraction form
    31,746,260.10/43,819,162.53 = 20,734,693.20/x
  3. Step 3: Cross multiply
    31,746,260.10x = 43,819,162.53 × 20,734,693.20
  4. Step 4: Simplify right side
    31,746,260.10x = 908,576,891,340,485.75
  5. Step 5: Solve for x
    x = 908,576,891,340,485.75/31,746,260.10
  6. Step 6: Final answer
    x = 28,619,966.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.