Home / 12,726,740.81-17,563,271.90-6,925,896.65

Finding the Fourth Proportional to 12,726,740.81, 17,563,271.90 and 6,925,896.65

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Solution

The fourth proportional to 12,726,740.81, 17,563,271.90 and 6,925,896.65 is: 9,557,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,740.81 : 17,563,271.90 = 6,925,896.65 : x
  2. Step 2: Convert to fraction form
    12,726,740.81/17,563,271.90 = 6,925,896.65/x
  3. Step 3: Cross multiply
    12,726,740.81x = 17,563,271.90 × 6,925,896.65
  4. Step 4: Simplify right side
    12,726,740.81x = 121,641,405,980,619.66
  5. Step 5: Solve for x
    x = 121,641,405,980,619.66/12,726,740.81
  6. Step 6: Final answer
    x = 9,557,938.50

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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.