Home / 21,214,723.32-29,275,541.10-12,968,596.08

Finding the Fourth Proportional to 21,214,723.32, 29,275,541.10 and 12,968,596.08

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Solution

The fourth proportional to 21,214,723.32, 29,275,541.10 and 12,968,596.08 is: 17,896,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214,723.32 : 29,275,541.10 = 12,968,596.08 : x
  2. Step 2: Convert to fraction form
    21,214,723.32/29,275,541.10 = 12,968,596.08/x
  3. Step 3: Cross multiply
    21,214,723.32x = 29,275,541.10 × 12,968,596.08
  4. Step 4: Simplify right side
    21,214,723.32x = 379,662,667,549,338.94
  5. Step 5: Solve for x
    x = 379,662,667,549,338.94/21,214,723.32
  6. Step 6: Final answer
    x = 17,896,187.56

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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.