Home / 20,304,827.20-30,457,240.80-14,258,209.60

Finding the Fourth Proportional to 20,304,827.20, 30,457,240.80 and 14,258,209.60

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Solution

The fourth proportional to 20,304,827.20, 30,457,240.80 and 14,258,209.60 is: 21,387,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,827.20 : 30,457,240.80 = 14,258,209.60 : x
  2. Step 2: Convert to fraction form
    20,304,827.20/30,457,240.80 = 14,258,209.60/x
  3. Step 3: Cross multiply
    20,304,827.20x = 30,457,240.80 × 14,258,209.60
  4. Step 4: Simplify right side
    20,304,827.20x = 434,265,723,164,071.69
  5. Step 5: Solve for x
    x = 434,265,723,164,071.69/20,304,827.20
  6. Step 6: Final answer
    x = 21,387,314.40

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1.5x scale

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.