Home / 19,771,906.65-29,636,934.11-8,996,774.28

Finding the Fourth Proportional to 19,771,906.65, 29,636,934.11 and 8,996,774.28

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Solution

The fourth proportional to 19,771,906.65, 29,636,934.11 and 8,996,774.28 is: 13,485,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771,906.65 : 29,636,934.11 = 8,996,774.28 : x
  2. Step 2: Convert to fraction form
    19,771,906.65/29,636,934.11 = 8,996,774.28/x
  3. Step 3: Cross multiply
    19,771,906.65x = 29,636,934.11 × 8,996,774.28
  4. Step 4: Simplify right side
    19,771,906.65x = 266,636,806,538,902.66
  5. Step 5: Solve for x
    x = 266,636,806,538,902.66/19,771,906.65
  6. Step 6: Final answer
    x = 13,485,639.56

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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.