Home / 13,012,827.69-17,935,287.65-8,654,125.76

Finding the Fourth Proportional to 13,012,827.69, 17,935,287.65 and 8,654,125.76

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Solution

The fourth proportional to 13,012,827.69, 17,935,287.65 and 8,654,125.76 is: 11,927,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,827.69 : 17,935,287.65 = 8,654,125.76 : x
  2. Step 2: Convert to fraction form
    13,012,827.69/17,935,287.65 = 8,654,125.76/x
  3. Step 3: Cross multiply
    13,012,827.69x = 17,935,287.65 × 8,654,125.76
  4. Step 4: Simplify right side
    13,012,827.69x = 155,214,234,880,317.56
  5. Step 5: Solve for x
    x = 155,214,234,880,317.56/13,012,827.69
  6. Step 6: Final answer
    x = 11,927,786.84

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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.