Home / 21,918,881.30-32,941,307.55-19,147,514.90

Finding the Fourth Proportional to 21,918,881.30, 32,941,307.55 and 19,147,514.90

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Solution

The fourth proportional to 21,918,881.30, 32,941,307.55 and 19,147,514.90 is: 28,776,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918,881.30 : 32,941,307.55 = 19,147,514.90 : x
  2. Step 2: Convert to fraction form
    21,918,881.30/32,941,307.55 = 19,147,514.90/x
  3. Step 3: Cross multiply
    21,918,881.30x = 32,941,307.55 × 19,147,514.90
  4. Step 4: Simplify right side
    21,918,881.30x = 630,744,177,139,107.50
  5. Step 5: Solve for x
    x = 630,744,177,139,107.50/21,918,881.30
  6. Step 6: Final answer
    x = 28,776,294.21

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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.