Home / 28,911,918.30-43,367,877.45-28,464,020.70

Finding the Fourth Proportional to 28,911,918.30, 43,367,877.45 and 28,464,020.70

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Solution

The fourth proportional to 28,911,918.30, 43,367,877.45 and 28,464,020.70 is: 42,696,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,918.30 : 43,367,877.45 = 28,464,020.70 : x
  2. Step 2: Convert to fraction form
    28,911,918.30/43,367,877.45 = 28,464,020.70/x
  3. Step 3: Cross multiply
    28,911,918.30x = 43,367,877.45 × 28,464,020.70
  4. Step 4: Simplify right side
    28,911,918.30x = 1,234,424,161,451,863.25
  5. Step 5: Solve for x
    x = 1,234,424,161,451,863.25/28,911,918.30
  6. Step 6: Final answer
    x = 42,696,031.05

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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.