Home / 10,456,231.80-15,693,678.90-9,037,889.40

Finding the Fourth Proportional to 10,456,231.80, 15,693,678.90 and 9,037,889.40

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Solution

The fourth proportional to 10,456,231.80, 15,693,678.90 and 9,037,889.40 is: 13,564,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,231.80 : 15,693,678.90 = 9,037,889.40 : x
  2. Step 2: Convert to fraction form
    10,456,231.80/15,693,678.90 = 9,037,889.40/x
  3. Step 3: Cross multiply
    10,456,231.80x = 15,693,678.90 × 9,037,889.40
  4. Step 4: Simplify right side
    10,456,231.80x = 141,837,734,177,313.66
  5. Step 5: Solve for x
    x = 141,837,734,177,313.66/10,456,231.80
  6. Step 6: Final answer
    x = 13,564,899.56

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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.