Home / 12,140,167.80-18,207,627.30-5,316,727.80

Finding the Fourth Proportional to 12,140,167.80, 18,207,627.30 and 5,316,727.80

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Solution

The fourth proportional to 12,140,167.80, 18,207,627.30 and 5,316,727.80 is: 7,973,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,167.80 : 18,207,627.30 = 5,316,727.80 : x
  2. Step 2: Convert to fraction form
    12,140,167.80/18,207,627.30 = 5,316,727.80/x
  3. Step 3: Cross multiply
    12,140,167.80x = 18,207,627.30 × 5,316,727.80
  4. Step 4: Simplify right side
    12,140,167.80x = 96,804,998,237,948.94
  5. Step 5: Solve for x
    x = 96,804,998,237,948.94/12,140,167.80
  6. Step 6: Final answer
    x = 7,973,942.36

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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.