Home / 11,139,567.62-15,370,570.64-6,428,244.28

Finding the Fourth Proportional to 11,139,567.62, 15,370,570.64 and 6,428,244.28

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Solution

The fourth proportional to 11,139,567.62, 15,370,570.64 and 6,428,244.28 is: 8,869,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,567.62 : 15,370,570.64 = 6,428,244.28 : x
  2. Step 2: Convert to fraction form
    11,139,567.62/15,370,570.64 = 6,428,244.28/x
  3. Step 3: Cross multiply
    11,139,567.62x = 15,370,570.64 × 6,428,244.28
  4. Step 4: Simplify right side
    11,139,567.62x = 98,805,782,796,915.95
  5. Step 5: Solve for x
    x = 98,805,782,796,915.95/11,139,567.62
  6. Step 6: Final answer
    x = 8,869,804.12

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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.