Home / 38,021,981.60-57,032,972.40-36,678,288.80

Finding the Fourth Proportional to 38,021,981.60, 57,032,972.40 and 36,678,288.80

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Solution

The fourth proportional to 38,021,981.60, 57,032,972.40 and 36,678,288.80 is: 55,017,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,981.60 : 57,032,972.40 = 36,678,288.80 : x
  2. Step 2: Convert to fraction form
    38,021,981.60/57,032,972.40 = 36,678,288.80/x
  3. Step 3: Cross multiply
    38,021,981.60x = 57,032,972.40 × 36,678,288.80
  4. Step 4: Simplify right side
    38,021,981.60x = 2,091,871,832,809,629
  5. Step 5: Solve for x
    x = 2,091,871,832,809,629/38,021,981.60
  6. Step 6: Final answer
    x = 55,017,433.20

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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.