Home / 28,861,215.80-43,291,823.70-8,663,833.40

Finding the Fourth Proportional to 28,861,215.80, 43,291,823.70 and 8,663,833.40

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Solution

The fourth proportional to 28,861,215.80, 43,291,823.70 and 8,663,833.40 is: 12,995,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861,215.80 : 43,291,823.70 = 8,663,833.40 : x
  2. Step 2: Convert to fraction form
    28,861,215.80/43,291,823.70 = 8,663,833.40/x
  3. Step 3: Cross multiply
    28,861,215.80x = 43,291,823.70 × 8,663,833.40
  4. Step 4: Simplify right side
    28,861,215.80x = 375,073,148,118,971.62
  5. Step 5: Solve for x
    x = 375,073,148,118,971.62/28,861,215.80
  6. Step 6: Final answer
    x = 12,995,750.10

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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.