Home / 10,363,454.16-15,558,652.02-7,968,980.31

Finding the Fourth Proportional to 10,363,454.16, 15,558,652.02 and 7,968,980.31

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Solution

The fourth proportional to 10,363,454.16, 15,558,652.02 and 7,968,980.31 is: 11,963,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,454.16 : 15,558,652.02 = 7,968,980.31 : x
  2. Step 2: Convert to fraction form
    10,363,454.16/15,558,652.02 = 7,968,980.31/x
  3. Step 3: Cross multiply
    10,363,454.16x = 15,558,652.02 × 7,968,980.31
  4. Step 4: Simplify right side
    10,363,454.16x = 123,986,591,597,521.72
  5. Step 5: Solve for x
    x = 123,986,591,597,521.72/10,363,454.16
  6. Step 6: Final answer
    x = 11,963,828.82

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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.