Home / 36,078,009.60-49,789,687.36-21,402,364.80

Finding the Fourth Proportional to 36,078,009.60, 49,789,687.36 and 21,402,364.80

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Solution

The fourth proportional to 36,078,009.60, 49,789,687.36 and 21,402,364.80 is: 29,536,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078,009.60 : 49,789,687.36 = 21,402,364.80 : x
  2. Step 2: Convert to fraction form
    36,078,009.60/49,789,687.36 = 21,402,364.80/x
  3. Step 3: Cross multiply
    36,078,009.60x = 49,789,687.36 × 21,402,364.80
  4. Step 4: Simplify right side
    36,078,009.60x = 1,065,617,052,156,669
  5. Step 5: Solve for x
    x = 1,065,617,052,156,669/36,078,009.60
  6. Step 6: Final answer
    x = 29,536,470.11

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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.