Home / 28,861,209.80-43,291,814.70-8,663,827.40

Finding the Fourth Proportional to 28,861,209.80, 43,291,814.70 and 8,663,827.40

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Solution

The fourth proportional to 28,861,209.80, 43,291,814.70 and 8,663,827.40 is: 12,995,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861,209.80 : 43,291,814.70 = 8,663,827.40 : x
  2. Step 2: Convert to fraction form
    28,861,209.80/43,291,814.70 = 8,663,827.40/x
  3. Step 3: Cross multiply
    28,861,209.80x = 43,291,814.70 × 8,663,827.40
  4. Step 4: Simplify right side
    28,861,209.80x = 375,072,810,393,582.81
  5. Step 5: Solve for x
    x = 375,072,810,393,582.81/28,861,209.80
  6. Step 6: Final answer
    x = 12,995,741.10

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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.