Home / 13,009,075.07-17,952,285.97-7,207,835.63

Finding the Fourth Proportional to 13,009,075.07, 17,952,285.97 and 7,207,835.63

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Solution

The fourth proportional to 13,009,075.07, 17,952,285.97 and 7,207,835.63 is: 9,946,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,075.07 : 17,952,285.97 = 7,207,835.63 : x
  2. Step 2: Convert to fraction form
    13,009,075.07/17,952,285.97 = 7,207,835.63/x
  3. Step 3: Cross multiply
    13,009,075.07x = 17,952,285.97 × 7,207,835.63
  4. Step 4: Simplify right side
    13,009,075.07x = 129,397,126,454,515.09
  5. Step 5: Solve for x
    x = 129,397,126,454,515.09/13,009,075.07
  6. Step 6: Final answer
    x = 9,946,681.51

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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.