Home / 10,309,955-15,461,044.50-8,283,218.36

Finding the Fourth Proportional to 10,309,955, 15,461,044.50 and 8,283,218.36

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Solution

The fourth proportional to 10,309,955, 15,461,044.50 and 8,283,218.36 is: 12,421,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,955 : 15,461,044.50 = 8,283,218.36 : x
  2. Step 2: Convert to fraction form
    10,309,955/15,461,044.50 = 8,283,218.36/x
  3. Step 3: Cross multiply
    10,309,955x = 15,461,044.50 × 8,283,218.36
  4. Step 4: Simplify right side
    10,309,955x = 128,067,207,667,177.03
  5. Step 5: Solve for x
    x = 128,067,207,667,177.03/10,309,955
  6. Step 6: Final answer
    x = 12,421,703.85

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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.