Home / 10,121,020.47-13,967,209.89-5,537,440.26

Finding the Fourth Proportional to 10,121,020.47, 13,967,209.89 and 5,537,440.26

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Solution

The fourth proportional to 10,121,020.47, 13,967,209.89 and 5,537,440.26 is: 7,641,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,020.47 : 13,967,209.89 = 5,537,440.26 : x
  2. Step 2: Convert to fraction form
    10,121,020.47/13,967,209.89 = 5,537,440.26/x
  3. Step 3: Cross multiply
    10,121,020.47x = 13,967,209.89 × 5,537,440.26
  4. Step 4: Simplify right side
    10,121,020.47x = 77,342,590,364,756.17
  5. Step 5: Solve for x
    x = 77,342,590,364,756.17/10,121,020.47
  6. Step 6: Final answer
    x = 7,641,777.88

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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.