Home / 28,072,400.70-42,108,601.05-23,962,590.30

Finding the Fourth Proportional to 28,072,400.70, 42,108,601.05 and 23,962,590.30

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Solution

The fourth proportional to 28,072,400.70, 42,108,601.05 and 23,962,590.30 is: 35,943,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,400.70 : 42,108,601.05 = 23,962,590.30 : x
  2. Step 2: Convert to fraction form
    28,072,400.70/42,108,601.05 = 23,962,590.30/x
  3. Step 3: Cross multiply
    28,072,400.70x = 42,108,601.05 × 23,962,590.30
  4. Step 4: Simplify right side
    28,072,400.70x = 1,009,031,155,067,299.75
  5. Step 5: Solve for x
    x = 1,009,031,155,067,299.75/28,072,400.70
  6. Step 6: Final answer
    x = 35,943,885.45

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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.