Home / 28,867,310.80-43,300,966.20-8,669,928.40

Finding the Fourth Proportional to 28,867,310.80, 43,300,966.20 and 8,669,928.40

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Solution

The fourth proportional to 28,867,310.80, 43,300,966.20 and 8,669,928.40 is: 13,004,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867,310.80 : 43,300,966.20 = 8,669,928.40 : x
  2. Step 2: Convert to fraction form
    28,867,310.80/43,300,966.20 = 8,669,928.40/x
  3. Step 3: Cross multiply
    28,867,310.80x = 43,300,966.20 × 8,669,928.40
  4. Step 4: Simplify right side
    28,867,310.80x = 375,416,276,604,820.12
  5. Step 5: Solve for x
    x = 375,416,276,604,820.12/28,867,310.80
  6. Step 6: Final answer
    x = 13,004,892.60

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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.