Home / 8,938,082.23-12,338,733.86-5,720,684.47

Finding the Fourth Proportional to 8,938,082.23, 12,338,733.86 and 5,720,684.47

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Solution

The fourth proportional to 8,938,082.23, 12,338,733.86 and 5,720,684.47 is: 7,897,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,082.23 : 12,338,733.86 = 5,720,684.47 : x
  2. Step 2: Convert to fraction form
    8,938,082.23/12,338,733.86 = 5,720,684.47/x
  3. Step 3: Cross multiply
    8,938,082.23x = 12,338,733.86 × 5,720,684.47
  4. Step 4: Simplify right side
    8,938,082.23x = 70,586,003,172,365.14
  5. Step 5: Solve for x
    x = 70,586,003,172,365.14/8,938,082.23
  6. Step 6: Final answer
    x = 7,897,220.16

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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.