Home / 13,423,610.29-20,127,174.95-5,216,669.90

Finding the Fourth Proportional to 13,423,610.29, 20,127,174.95 and 5,216,669.90

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Solution

The fourth proportional to 13,423,610.29, 20,127,174.95 and 5,216,669.90 is: 7,821,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,610.29 : 20,127,174.95 = 5,216,669.90 : x
  2. Step 2: Convert to fraction form
    13,423,610.29/20,127,174.95 = 5,216,669.90/x
  3. Step 3: Cross multiply
    13,423,610.29x = 20,127,174.95 × 5,216,669.90
  4. Step 4: Simplify right side
    13,423,610.29x = 104,996,827,707,615.67
  5. Step 5: Solve for x
    x = 104,996,827,707,615.67/13,423,610.29
  6. Step 6: Final answer
    x = 7,821,802.44

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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.