Home / 39,691,530.48-59,450,492.20-28,141,988.72

Finding the Fourth Proportional to 39,691,530.48, 59,450,492.20 and 28,141,988.72

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Solution

The fourth proportional to 39,691,530.48, 59,450,492.20 and 28,141,988.72 is: 42,151,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691,530.48 : 59,450,492.20 = 28,141,988.72 : x
  2. Step 2: Convert to fraction form
    39,691,530.48/59,450,492.20 = 28,141,988.72/x
  3. Step 3: Cross multiply
    39,691,530.48x = 59,450,492.20 × 28,141,988.72
  4. Step 4: Simplify right side
    39,691,530.48x = 1,673,055,080,890,848
  5. Step 5: Solve for x
    x = 1,673,055,080,890,848/39,691,530.48
  6. Step 6: Final answer
    x = 42,151,437.87

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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.