Home / 13,580,680.70-20,371,021.05-10,392,034.70

Finding the Fourth Proportional to 13,580,680.70, 20,371,021.05 and 10,392,034.70

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Solution

The fourth proportional to 13,580,680.70, 20,371,021.05 and 10,392,034.70 is: 15,588,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,680.70 : 20,371,021.05 = 10,392,034.70 : x
  2. Step 2: Convert to fraction form
    13,580,680.70/20,371,021.05 = 10,392,034.70/x
  3. Step 3: Cross multiply
    13,580,680.70x = 20,371,021.05 × 10,392,034.70
  4. Step 4: Simplify right side
    13,580,680.70x = 211,696,357,626,030.44
  5. Step 5: Solve for x
    x = 211,696,357,626,030.44/13,580,680.70
  6. Step 6: Final answer
    x = 15,588,052.05

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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.