Home / 20,445,041.70-30,641,512.95-10,865,009.70

Finding the Fourth Proportional to 20,445,041.70, 30,641,512.95 and 10,865,009.70

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Solution

The fourth proportional to 20,445,041.70, 30,641,512.95 and 10,865,009.70 is: 16,283,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445,041.70 : 30,641,512.95 = 10,865,009.70 : x
  2. Step 2: Convert to fraction form
    20,445,041.70/30,641,512.95 = 10,865,009.70/x
  3. Step 3: Cross multiply
    20,445,041.70x = 30,641,512.95 × 10,865,009.70
  4. Step 4: Simplify right side
    20,445,041.70x = 332,920,335,424,425.56
  5. Step 5: Solve for x
    x = 332,920,335,424,425.56/20,445,041.70
  6. Step 6: Final answer
    x = 16,283,671.14

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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.