Home / 19,681,788.60-27,160,879.94-10,979,961.16

Finding the Fourth Proportional to 19,681,788.60, 27,160,879.94 and 10,979,961.16

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Solution

The fourth proportional to 19,681,788.60, 27,160,879.94 and 10,979,961.16 is: 15,152,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,788.60 : 27,160,879.94 = 10,979,961.16 : x
  2. Step 2: Convert to fraction form
    19,681,788.60/27,160,879.94 = 10,979,961.16/x
  3. Step 3: Cross multiply
    19,681,788.60x = 27,160,879.94 × 10,979,961.16
  4. Step 4: Simplify right side
    19,681,788.60x = 298,225,406,812,623.12
  5. Step 5: Solve for x
    x = 298,225,406,812,623.12/19,681,788.60
  6. Step 6: Final answer
    x = 15,152,352.91

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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.