Home / 20,439,361.73-30,671,806.52-13,620,719.45

Finding the Fourth Proportional to 20,439,361.73, 30,671,806.52 and 13,620,719.45

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Solution

The fourth proportional to 20,439,361.73, 30,671,806.52 and 13,620,719.45 is: 20,439,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,361.73 : 30,671,806.52 = 13,620,719.45 : x
  2. Step 2: Convert to fraction form
    20,439,361.73/30,671,806.52 = 13,620,719.45/x
  3. Step 3: Cross multiply
    20,439,361.73x = 30,671,806.52 × 13,620,719.45
  4. Step 4: Simplify right side
    20,439,361.73x = 417,772,071,744,332.19
  5. Step 5: Solve for x
    x = 417,772,071,744,332.19/20,439,361.73
  6. Step 6: Final answer
    x = 20,439,585.01

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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.