Home / 19,011,505.78-26,235,884.10-10,309,675.78

Finding the Fourth Proportional to 19,011,505.78, 26,235,884.10 and 10,309,675.78

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Solution

The fourth proportional to 19,011,505.78, 26,235,884.10 and 10,309,675.78 is: 14,227,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,505.78 : 26,235,884.10 = 10,309,675.78 : x
  2. Step 2: Convert to fraction form
    19,011,505.78/26,235,884.10 = 10,309,675.78/x
  3. Step 3: Cross multiply
    19,011,505.78x = 26,235,884.10 × 10,309,675.78
  4. Step 4: Simplify right side
    19,011,505.78x = 270,483,458,872,657.09
  5. Step 5: Solve for x
    x = 270,483,458,872,657.09/19,011,505.78
  6. Step 6: Final answer
    x = 14,227,355.90

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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.