Home / 13,123,246.20-19,684,869.30-7,360,063.80

Finding the Fourth Proportional to 13,123,246.20, 19,684,869.30 and 7,360,063.80

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Solution

The fourth proportional to 13,123,246.20, 19,684,869.30 and 7,360,063.80 is: 11,040,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,246.20 : 19,684,869.30 = 7,360,063.80 : x
  2. Step 2: Convert to fraction form
    13,123,246.20/19,684,869.30 = 7,360,063.80/x
  3. Step 3: Cross multiply
    13,123,246.20x = 19,684,869.30 × 7,360,063.80
  4. Step 4: Simplify right side
    13,123,246.20x = 144,881,893,942,661.34
  5. Step 5: Solve for x
    x = 144,881,893,942,661.34/13,123,246.20
  6. Step 6: Final answer
    x = 11,040,095.70

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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.