Home / 18,611,210.70-27,917,690.85-5,832,132.30

Finding the Fourth Proportional to 18,611,210.70, 27,917,690.85 and 5,832,132.30

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Solution

The fourth proportional to 18,611,210.70, 27,917,690.85 and 5,832,132.30 is: 8,748,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611,210.70 : 27,917,690.85 = 5,832,132.30 : x
  2. Step 2: Convert to fraction form
    18,611,210.70/27,917,690.85 = 5,832,132.30/x
  3. Step 3: Cross multiply
    18,611,210.70x = 27,917,690.85 × 5,832,132.30
  4. Step 4: Simplify right side
    18,611,210.70x = 162,819,666,547,699.47
  5. Step 5: Solve for x
    x = 162,819,666,547,699.47/18,611,210.70
  6. Step 6: Final answer
    x = 8,748,472.58

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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.