Home / 14,488,979.20-21,733,468.80-12,977,324.80

Finding the Fourth Proportional to 14,488,979.20, 21,733,468.80 and 12,977,324.80

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Solution

The fourth proportional to 14,488,979.20, 21,733,468.80 and 12,977,324.80 is: 19,465,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,979.20 : 21,733,468.80 = 12,977,324.80 : x
  2. Step 2: Convert to fraction form
    14,488,979.20/21,733,468.80 = 12,977,324.80/x
  3. Step 3: Cross multiply
    14,488,979.20x = 21,733,468.80 × 12,977,324.80
  4. Step 4: Simplify right side
    14,488,979.20x = 282,042,283,648,266.25
  5. Step 5: Solve for x
    x = 282,042,283,648,266.25/14,488,979.20
  6. Step 6: Final answer
    x = 19,465,987.20

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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.