Home / 18,460,877.20-27,691,315.80-13,359,043.60

Finding the Fourth Proportional to 18,460,877.20, 27,691,315.80 and 13,359,043.60

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Solution

The fourth proportional to 18,460,877.20, 27,691,315.80 and 13,359,043.60 is: 20,038,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460,877.20 : 27,691,315.80 = 13,359,043.60 : x
  2. Step 2: Convert to fraction form
    18,460,877.20/27,691,315.80 = 13,359,043.60/x
  3. Step 3: Cross multiply
    18,460,877.20x = 27,691,315.80 × 13,359,043.60
  4. Step 4: Simplify right side
    18,460,877.20x = 369,929,495,113,568.88
  5. Step 5: Solve for x
    x = 369,929,495,113,568.88/18,460,877.20
  6. Step 6: Final answer
    x = 20,038,565.40

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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.