Home / 21,919,118.80-32,941,663.80-19,147,752.40

Finding the Fourth Proportional to 21,919,118.80, 32,941,663.80 and 19,147,752.40

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Solution

The fourth proportional to 21,919,118.80, 32,941,663.80 and 19,147,752.40 is: 28,776,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,118.80 : 32,941,663.80 = 19,147,752.40 : x
  2. Step 2: Convert to fraction form
    21,919,118.80/32,941,663.80 = 19,147,752.40/x
  3. Step 3: Cross multiply
    21,919,118.80x = 32,941,663.80 × 19,147,752.40
  4. Step 4: Simplify right side
    21,919,118.80x = 630,758,822,086,443.12
  5. Step 5: Solve for x
    x = 630,758,822,086,443.12/21,919,118.80
  6. Step 6: Final answer
    x = 28,776,650.55

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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.