Home / 10,075,676.80-13,904,572.12-5,491,988.32

Finding the Fourth Proportional to 10,075,676.80, 13,904,572.12 and 5,491,988.32

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Solution

The fourth proportional to 10,075,676.80, 13,904,572.12 and 5,491,988.32 is: 7,579,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075,676.80 : 13,904,572.12 = 5,491,988.32 : x
  2. Step 2: Convert to fraction form
    10,075,676.80/13,904,572.12 = 5,491,988.32/x
  3. Step 3: Cross multiply
    10,075,676.80x = 13,904,572.12 × 5,491,988.32
  4. Step 4: Simplify right side
    10,075,676.80x = 76,363,747,677,637.64
  5. Step 5: Solve for x
    x = 76,363,747,677,637.64/10,075,676.80
  6. Step 6: Final answer
    x = 7,579,019.18

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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.