Home / 18,885,754.40-28,328,631.60-17,311,114.40

Finding the Fourth Proportional to 18,885,754.40, 28,328,631.60 and 17,311,114.40

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Solution

The fourth proportional to 18,885,754.40, 28,328,631.60 and 17,311,114.40 is: 25,966,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885,754.40 : 28,328,631.60 = 17,311,114.40 : x
  2. Step 2: Convert to fraction form
    18,885,754.40/28,328,631.60 = 17,311,114.40/x
  3. Step 3: Cross multiply
    18,885,754.40x = 28,328,631.60 × 17,311,114.40
  4. Step 4: Simplify right side
    18,885,754.40x = 490,400,182,423,055
  5. Step 5: Solve for x
    x = 490,400,182,423,055/18,885,754.40
  6. Step 6: Final answer
    x = 25,966,671.60

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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.