Home / 13,710,974.13-18,920,873.75-7,516,034.19

Finding the Fourth Proportional to 13,710,974.13, 18,920,873.75 and 7,516,034.19

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Solution

The fourth proportional to 13,710,974.13, 18,920,873.75 and 7,516,034.19 is: 10,371,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710,974.13 : 18,920,873.75 = 7,516,034.19 : x
  2. Step 2: Convert to fraction form
    13,710,974.13/18,920,873.75 = 7,516,034.19/x
  3. Step 3: Cross multiply
    13,710,974.13x = 18,920,873.75 × 7,516,034.19
  4. Step 4: Simplify right side
    13,710,974.13x = 142,209,933,972,093.34
  5. Step 5: Solve for x
    x = 142,209,933,972,093.34/13,710,974.13
  6. Step 6: Final answer
    x = 10,371,978.87

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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.