Home / 8,942,531.09-12,340,657.80-5,021,743.10

Finding the Fourth Proportional to 8,942,531.09, 12,340,657.80 and 5,021,743.10

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Solution

The fourth proportional to 8,942,531.09, 12,340,657.80 and 5,021,743.10 is: 6,929,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942,531.09 : 12,340,657.80 = 5,021,743.10 : x
  2. Step 2: Convert to fraction form
    8,942,531.09/12,340,657.80 = 5,021,743.10/x
  3. Step 3: Cross multiply
    8,942,531.09x = 12,340,657.80 × 5,021,743.10
  4. Step 4: Simplify right side
    8,942,531.09x = 61,971,613,094,907.89
  5. Step 5: Solve for x
    x = 61,971,613,094,907.89/8,942,531.09
  6. Step 6: Final answer
    x = 6,929,985.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.