Home / 40,283,065.18-60,424,542.42-18,705,867.76

Finding the Fourth Proportional to 40,283,065.18, 60,424,542.42 and 18,705,867.76

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Solution

The fourth proportional to 40,283,065.18, 60,424,542.42 and 18,705,867.76 is: 28,058,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283,065.18 : 60,424,542.42 = 18,705,867.76 : x
  2. Step 2: Convert to fraction form
    40,283,065.18/60,424,542.42 = 18,705,867.76/x
  3. Step 3: Cross multiply
    40,283,065.18x = 60,424,542.42 × 18,705,867.76
  4. Step 4: Simplify right side
    40,283,065.18x = 1,130,293,499,967,030.50
  5. Step 5: Solve for x
    x = 1,130,293,499,967,030.50/40,283,065.18
  6. Step 6: Final answer
    x = 28,058,775.94

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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.