Home / 10,371,029.20-15,551,878.20-3,979,157.20

Finding the Fourth Proportional to 10,371,029.20, 15,551,878.20 and 3,979,157.20

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Solution

The fourth proportional to 10,371,029.20, 15,551,878.20 and 3,979,157.20 is: 5,966,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,029.20 : 15,551,878.20 = 3,979,157.20 : x
  2. Step 2: Convert to fraction form
    10,371,029.20/15,551,878.20 = 3,979,157.20/x
  3. Step 3: Cross multiply
    10,371,029.20x = 15,551,878.20 × 3,979,157.20
  4. Step 4: Simplify right side
    10,371,029.20x = 61,883,368,113,053.04
  5. Step 5: Solve for x
    x = 61,883,368,113,053.04/10,371,029.20
  6. Step 6: Final answer
    x = 5,966,945.70

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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.