Home / 28,486,047.70-39,271,702.52-18,026,861.14

Finding the Fourth Proportional to 28,486,047.70, 39,271,702.52 and 18,026,861.14

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Solution

The fourth proportional to 28,486,047.70, 39,271,702.52 and 18,026,861.14 is: 24,852,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486,047.70 : 39,271,702.52 = 18,026,861.14 : x
  2. Step 2: Convert to fraction form
    28,486,047.70/39,271,702.52 = 18,026,861.14/x
  3. Step 3: Cross multiply
    28,486,047.70x = 39,271,702.52 × 18,026,861.14
  4. Step 4: Simplify right side
    28,486,047.70x = 707,945,528,059,428.12
  5. Step 5: Solve for x
    x = 707,945,528,059,428.12/28,486,047.70
  6. Step 6: Final answer
    x = 24,852,360.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.