Home / 20,694,850-31,047,083.02-7,048,114.90

Finding the Fourth Proportional to 20,694,850, 31,047,083.02 and 7,048,114.90

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Solution

The fourth proportional to 20,694,850, 31,047,083.02 and 7,048,114.90 is: 10,573,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,850 : 31,047,083.02 = 7,048,114.90 : x
  2. Step 2: Convert to fraction form
    20,694,850/31,047,083.02 = 7,048,114.90/x
  3. Step 3: Cross multiply
    20,694,850x = 31,047,083.02 × 7,048,114.90
  4. Step 4: Simplify right side
    20,694,850x = 218,823,408,434,799
  5. Step 5: Solve for x
    x = 218,823,408,434,799/20,694,850
  6. Step 6: Final answer
    x = 10,573,809.83

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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.