Home / 9,781,131.51-13,498,397.28-5,430,277.26

Finding the Fourth Proportional to 9,781,131.51, 13,498,397.28 and 5,430,277.26

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Solution

The fourth proportional to 9,781,131.51, 13,498,397.28 and 5,430,277.26 is: 7,494,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,131.51 : 13,498,397.28 = 5,430,277.26 : x
  2. Step 2: Convert to fraction form
    9,781,131.51/13,498,397.28 = 5,430,277.26/x
  3. Step 3: Cross multiply
    9,781,131.51x = 13,498,397.28 × 5,430,277.26
  4. Step 4: Simplify right side
    9,781,131.51x = 73,300,039,796,029.84
  5. Step 5: Solve for x
    x = 73,300,039,796,029.84/9,781,131.51
  6. Step 6: Final answer
    x = 7,494,024.56

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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.