Home / 13,423,608.28-20,127,171.95-5,216,667.89

Finding the Fourth Proportional to 13,423,608.28, 20,127,171.95 and 5,216,667.89

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Solution

The fourth proportional to 13,423,608.28, 20,127,171.95 and 5,216,667.89 is: 7,821,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,608.28 : 20,127,171.95 = 5,216,667.89 : x
  2. Step 2: Convert to fraction form
    13,423,608.28/20,127,171.95 = 5,216,667.89/x
  3. Step 3: Cross multiply
    13,423,608.28x = 20,127,171.95 × 5,216,667.89
  4. Step 4: Simplify right side
    13,423,608.28x = 104,996,771,663,476.08
  5. Step 5: Solve for x
    x = 104,996,771,663,476.08/13,423,608.28
  6. Step 6: Final answer
    x = 7,821,799.44

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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.