Home / 12,442,553.04-18,657,075.78-5,611,133.22

Finding the Fourth Proportional to 12,442,553.04, 18,657,075.78 and 5,611,133.22

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Solution

The fourth proportional to 12,442,553.04, 18,657,075.78 and 5,611,133.22 is: 8,413,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,553.04 : 18,657,075.78 = 5,611,133.22 : x
  2. Step 2: Convert to fraction form
    12,442,553.04/18,657,075.78 = 5,611,133.22/x
  3. Step 3: Cross multiply
    12,442,553.04x = 18,657,075.78 × 5,611,133.22
  4. Step 4: Simplify right side
    12,442,553.04x = 104,687,337,697,215.41
  5. Step 5: Solve for x
    x = 104,687,337,697,215.41/12,442,553.04
  6. Step 6: Final answer
    x = 8,413,654.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.