Home / 20,470,470.23-30,716,332.28-8,348,826.71

Finding the Fourth Proportional to 20,470,470.23, 30,716,332.28 and 8,348,826.71

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Solution

The fourth proportional to 20,470,470.23, 30,716,332.28 and 8,348,826.71 is: 12,527,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,470.23 : 30,716,332.28 = 8,348,826.71 : x
  2. Step 2: Convert to fraction form
    20,470,470.23/30,716,332.28 = 8,348,826.71/x
  3. Step 3: Cross multiply
    20,470,470.23x = 30,716,332.28 × 8,348,826.71
  4. Step 4: Simplify right side
    20,470,470.23x = 256,445,335,438,854
  5. Step 5: Solve for x
    x = 256,445,335,438,854/20,470,470.23
  6. Step 6: Final answer
    x = 12,527,574.23

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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.