Home / 10,502,844.51-15,754,759.25-5,105,060.67

Finding the Fourth Proportional to 10,502,844.51, 15,754,759.25 and 5,105,060.67

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Solution

The fourth proportional to 10,502,844.51, 15,754,759.25 and 5,105,060.67 is: 7,657,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,844.51 : 15,754,759.25 = 5,105,060.67 : x
  2. Step 2: Convert to fraction form
    10,502,844.51/15,754,759.25 = 5,105,060.67/x
  3. Step 3: Cross multiply
    10,502,844.51x = 15,754,759.25 × 5,105,060.67
  4. Step 4: Simplify right side
    10,502,844.51x = 80,429,001,812,493.70
  5. Step 5: Solve for x
    x = 80,429,001,812,493.70/10,502,844.51
  6. Step 6: Final answer
    x = 7,657,830.38

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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.