Home / 20,470,470.73-30,716,333.03-8,348,827.21

Finding the Fourth Proportional to 20,470,470.73, 30,716,333.03 and 8,348,827.21

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Solution

The fourth proportional to 20,470,470.73, 30,716,333.03 and 8,348,827.21 is: 12,527,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,470.73 : 30,716,333.03 = 8,348,827.21 : x
  2. Step 2: Convert to fraction form
    20,470,470.73/30,716,333.03 = 8,348,827.21/x
  3. Step 3: Cross multiply
    20,470,470.73x = 30,716,333.03 × 8,348,827.21
  4. Step 4: Simplify right side
    20,470,470.73x = 256,445,357,069,076.59
  5. Step 5: Solve for x
    x = 256,445,357,069,076.59/20,470,470.73
  6. Step 6: Final answer
    x = 12,527,574.98

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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.