Home / 12,657,371.18-17,466,762.21-7,075,469.21

Finding the Fourth Proportional to 12,657,371.18, 17,466,762.21 and 7,075,469.21

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Solution

The fourth proportional to 12,657,371.18, 17,466,762.21 and 7,075,469.21 is: 9,763,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,371.18 : 17,466,762.21 = 7,075,469.21 : x
  2. Step 2: Convert to fraction form
    12,657,371.18/17,466,762.21 = 7,075,469.21/x
  3. Step 3: Cross multiply
    12,657,371.18x = 17,466,762.21 × 7,075,469.21
  4. Step 4: Simplify right side
    12,657,371.18x = 123,585,538,258,913.47
  5. Step 5: Solve for x
    x = 123,585,538,258,913.47/12,657,371.18
  6. Step 6: Final answer
    x = 9,763,918.31

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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.