Home / 19,047,621.25-26,286,063.60-10,789,398.15

Finding the Fourth Proportional to 19,047,621.25, 26,286,063.60 and 10,789,398.15

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Solution

The fourth proportional to 19,047,621.25, 26,286,063.60 and 10,789,398.15 is: 14,889,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047,621.25 : 26,286,063.60 = 10,789,398.15 : x
  2. Step 2: Convert to fraction form
    19,047,621.25/26,286,063.60 = 10,789,398.15/x
  3. Step 3: Cross multiply
    19,047,621.25x = 26,286,063.60 × 10,789,398.15
  4. Step 4: Simplify right side
    19,047,621.25x = 283,610,805,976,622.38
  5. Step 5: Solve for x
    x = 283,610,805,976,622.38/19,047,621.25
  6. Step 6: Final answer
    x = 14,889,565.59

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1.5x scale

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.