Home / 21,058,976.68-29,061,580.08-12,357,294.28

Finding the Fourth Proportional to 21,058,976.68, 29,061,580.08 and 12,357,294.28

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Solution

The fourth proportional to 21,058,976.68, 29,061,580.08 and 12,357,294.28 is: 17,053,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,976.68 : 29,061,580.08 = 12,357,294.28 : x
  2. Step 2: Convert to fraction form
    21,058,976.68/29,061,580.08 = 12,357,294.28/x
  3. Step 3: Cross multiply
    21,058,976.68x = 29,061,580.08 × 12,357,294.28
  4. Step 4: Simplify right side
    21,058,976.68x = 359,122,497,290,345.88
  5. Step 5: Solve for x
    x = 359,122,497,290,345.88/21,058,976.68
  6. Step 6: Final answer
    x = 17,053,178.92

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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.