Home / 10,502,546.68-15,752,420.10-2,928,878.20

Finding the Fourth Proportional to 10,502,546.68, 15,752,420.10 and 2,928,878.20

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Solution

The fourth proportional to 10,502,546.68, 15,752,420.10 and 2,928,878.20 is: 4,392,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,546.68 : 15,752,420.10 = 2,928,878.20 : x
  2. Step 2: Convert to fraction form
    10,502,546.68/15,752,420.10 = 2,928,878.20/x
  3. Step 3: Cross multiply
    10,502,546.68x = 15,752,420.10 × 2,928,878.20
  4. Step 4: Simplify right side
    10,502,546.68x = 46,136,919,828,131.82
  5. Step 5: Solve for x
    x = 46,136,919,828,131.82/10,502,546.68
  6. Step 6: Final answer
    x = 4,392,926.90

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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.