Home / 19,854,380.63-29,582,016.29-18,739,267.91

Finding the Fourth Proportional to 19,854,380.63, 29,582,016.29 and 18,739,267.91

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Solution

The fourth proportional to 19,854,380.63, 29,582,016.29 and 18,739,267.91 is: 27,920,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854,380.63 : 29,582,016.29 = 18,739,267.91 : x
  2. Step 2: Convert to fraction form
    19,854,380.63/29,582,016.29 = 18,739,267.91/x
  3. Step 3: Cross multiply
    19,854,380.63x = 29,582,016.29 × 18,739,267.91
  4. Step 4: Simplify right side
    19,854,380.63x = 554,345,328,334,687.88
  5. Step 5: Solve for x
    x = 554,345,328,334,687.88/19,854,380.63
  6. Step 6: Final answer
    x = 27,920,555.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.