Home / 20,470,470.48-30,716,332.65-8,348,826.96

Finding the Fourth Proportional to 20,470,470.48, 30,716,332.65 and 8,348,826.96

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Solution

The fourth proportional to 20,470,470.48, 30,716,332.65 and 8,348,826.96 is: 12,527,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,470.48 : 30,716,332.65 = 8,348,826.96 : x
  2. Step 2: Convert to fraction form
    20,470,470.48/30,716,332.65 = 8,348,826.96/x
  3. Step 3: Cross multiply
    20,470,470.48x = 30,716,332.65 × 8,348,826.96
  4. Step 4: Simplify right side
    20,470,470.48x = 256,445,346,083,055.09
  5. Step 5: Solve for x
    x = 256,445,346,083,055.09/20,470,470.48
  6. Step 6: Final answer
    x = 12,527,574.60

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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.