Home / 10,519,683.40-15,781,101.90-4,454,403.40

Finding the Fourth Proportional to 10,519,683.40, 15,781,101.90 and 4,454,403.40

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Solution

The fourth proportional to 10,519,683.40, 15,781,101.90 and 4,454,403.40 is: 6,682,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,683.40 : 15,781,101.90 = 4,454,403.40 : x
  2. Step 2: Convert to fraction form
    10,519,683.40/15,781,101.90 = 4,454,403.40/x
  3. Step 3: Cross multiply
    10,519,683.40x = 15,781,101.90 × 4,454,403.40
  4. Step 4: Simplify right side
    10,519,683.40x = 70,295,393,959,106.47
  5. Step 5: Solve for x
    x = 70,295,393,959,106.47/10,519,683.40
  6. Step 6: Final answer
    x = 6,682,272.77

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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.