Home / 12,137,490.56-16,750,065.69-7,245,551.91

Finding the Fourth Proportional to 12,137,490.56, 16,750,065.69 and 7,245,551.91

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Solution

The fourth proportional to 12,137,490.56, 16,750,065.69 and 7,245,551.91 is: 9,999,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,490.56 : 16,750,065.69 = 7,245,551.91 : x
  2. Step 2: Convert to fraction form
    12,137,490.56/16,750,065.69 = 7,245,551.91/x
  3. Step 3: Cross multiply
    12,137,490.56x = 16,750,065.69 × 7,245,551.91
  4. Step 4: Simplify right side
    12,137,490.56x = 121,363,470,452,804.97
  5. Step 5: Solve for x
    x = 121,363,470,452,804.97/12,137,490.56
  6. Step 6: Final answer
    x = 9,999,057.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.