Home / 18,509,104.80-27,771,530.40-8,919,547.20

Finding the Fourth Proportional to 18,509,104.80, 27,771,530.40 and 8,919,547.20

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Solution

The fourth proportional to 18,509,104.80, 27,771,530.40 and 8,919,547.20 is: 13,383,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,104.80 : 27,771,530.40 = 8,919,547.20 : x
  2. Step 2: Convert to fraction form
    18,509,104.80/27,771,530.40 = 8,919,547.20/x
  3. Step 3: Cross multiply
    18,509,104.80x = 27,771,530.40 × 8,919,547.20
  4. Step 4: Simplify right side
    18,509,104.80x = 247,709,476,219,034.84
  5. Step 5: Solve for x
    x = 247,709,476,219,034.84/18,509,104.80
  6. Step 6: Final answer
    x = 13,383,114.90

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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.