Home / 28,523,549.60-42,785,324.40-13,170,809.60

Finding the Fourth Proportional to 28,523,549.60, 42,785,324.40 and 13,170,809.60

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Solution

The fourth proportional to 28,523,549.60, 42,785,324.40 and 13,170,809.60 is: 19,756,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523,549.60 : 42,785,324.40 = 13,170,809.60 : x
  2. Step 2: Convert to fraction form
    28,523,549.60/42,785,324.40 = 13,170,809.60/x
  3. Step 3: Cross multiply
    28,523,549.60x = 42,785,324.40 × 13,170,809.60
  4. Step 4: Simplify right side
    28,523,549.60x = 563,517,361,346,634.25
  5. Step 5: Solve for x
    x = 563,517,361,346,634.25/28,523,549.60
  6. Step 6: Final answer
    x = 19,756,214.40

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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.