Home / 28,072,282.40-42,108,423.60-26,371,671.20

Finding the Fourth Proportional to 28,072,282.40, 42,108,423.60 and 26,371,671.20

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Solution

The fourth proportional to 28,072,282.40, 42,108,423.60 and 26,371,671.20 is: 39,557,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,282.40 : 42,108,423.60 = 26,371,671.20 : x
  2. Step 2: Convert to fraction form
    28,072,282.40/42,108,423.60 = 26,371,671.20/x
  3. Step 3: Cross multiply
    28,072,282.40x = 42,108,423.60 × 26,371,671.20
  4. Step 4: Simplify right side
    28,072,282.40x = 1,110,469,501,929,520.38
  5. Step 5: Solve for x
    x = 1,110,469,501,929,520.38/28,072,282.40
  6. Step 6: Final answer
    x = 39,557,506.80

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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.