Home / 21,574,498.40-32,361,747.60-13,108,680.80

Finding the Fourth Proportional to 21,574,498.40, 32,361,747.60 and 13,108,680.80

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Solution

The fourth proportional to 21,574,498.40, 32,361,747.60 and 13,108,680.80 is: 19,663,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,498.40 : 32,361,747.60 = 13,108,680.80 : x
  2. Step 2: Convert to fraction form
    21,574,498.40/32,361,747.60 = 13,108,680.80/x
  3. Step 3: Cross multiply
    21,574,498.40x = 32,361,747.60 × 13,108,680.80
  4. Step 4: Simplify right side
    21,574,498.40x = 424,219,819,418,566.12
  5. Step 5: Solve for x
    x = 424,219,819,418,566.12/21,574,498.40
  6. Step 6: Final answer
    x = 19,663,021.20

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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.