Home / 13,045,075.92-18,002,261.28-7,243,839.84

Finding the Fourth Proportional to 13,045,075.92, 18,002,261.28 and 7,243,839.84

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Solution

The fourth proportional to 13,045,075.92, 18,002,261.28 and 7,243,839.84 is: 9,996,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,075.92 : 18,002,261.28 = 7,243,839.84 : x
  2. Step 2: Convert to fraction form
    13,045,075.92/18,002,261.28 = 7,243,839.84/x
  3. Step 3: Cross multiply
    13,045,075.92x = 18,002,261.28 × 7,243,839.84
  4. Step 4: Simplify right side
    13,045,075.92x = 130,405,497,470,153.41
  5. Step 5: Solve for x
    x = 130,405,497,470,153.41/13,045,075.92
  6. Step 6: Final answer
    x = 9,996,530.36

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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.