Home / 15,779,837-21,775,960.94-8,810,621.70

Finding the Fourth Proportional to 15,779,837, 21,775,960.94 and 8,810,621.70

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Solution

The fourth proportional to 15,779,837, 21,775,960.94 and 8,810,621.70 is: 12,158,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,837 : 21,775,960.94 = 8,810,621.70 : x
  2. Step 2: Convert to fraction form
    15,779,837/21,775,960.94 = 8,810,621.70/x
  3. Step 3: Cross multiply
    15,779,837x = 21,775,960.94 × 8,810,621.70
  4. Step 4: Simplify right side
    15,779,837x = 191,859,753,996,316.41
  5. Step 5: Solve for x
    x = 191,859,753,996,316.41/15,779,837
  6. Step 6: Final answer
    x = 12,158,538.39

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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.