Home / 21,473,820.38-32,210,730.66-7,827,990.14

Finding the Fourth Proportional to 21,473,820.38, 32,210,730.66 and 7,827,990.14

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Solution

The fourth proportional to 21,473,820.38, 32,210,730.66 and 7,827,990.14 is: 11,741,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,820.38 : 32,210,730.66 = 7,827,990.14 : x
  2. Step 2: Convert to fraction form
    21,473,820.38/32,210,730.66 = 7,827,990.14/x
  3. Step 3: Cross multiply
    21,473,820.38x = 32,210,730.66 × 7,827,990.14
  4. Step 4: Simplify right side
    21,473,820.38x = 252,145,282,008,675.69
  5. Step 5: Solve for x
    x = 252,145,282,008,675.69/21,473,820.38
  6. Step 6: Final answer
    x = 11,741,985.24

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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.