Home / 21,312,076.10-31,968,114.15-7,846,117.70

Finding the Fourth Proportional to 21,312,076.10, 31,968,114.15 and 7,846,117.70

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Solution

The fourth proportional to 21,312,076.10, 31,968,114.15 and 7,846,117.70 is: 11,769,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,076.10 : 31,968,114.15 = 7,846,117.70 : x
  2. Step 2: Convert to fraction form
    21,312,076.10/31,968,114.15 = 7,846,117.70/x
  3. Step 3: Cross multiply
    21,312,076.10x = 31,968,114.15 × 7,846,117.70
  4. Step 4: Simplify right side
    21,312,076.10x = 250,825,586,267,935.44
  5. Step 5: Solve for x
    x = 250,825,586,267,935.44/21,312,076.10
  6. Step 6: Final answer
    x = 11,769,176.55

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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.