Home / 19,187,900.40-28,773,657.60-11,106,454.32

Finding the Fourth Proportional to 19,187,900.40, 28,773,657.60 and 11,106,454.32

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Solution

The fourth proportional to 19,187,900.40, 28,773,657.60 and 11,106,454.32 is: 16,654,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,900.40 : 28,773,657.60 = 11,106,454.32 : x
  2. Step 2: Convert to fraction form
    19,187,900.40/28,773,657.60 = 11,106,454.32/x
  3. Step 3: Cross multiply
    19,187,900.40x = 28,773,657.60 × 11,106,454.32
  4. Step 4: Simplify right side
    19,187,900.40x = 319,573,313,753,720.88
  5. Step 5: Solve for x
    x = 319,573,313,753,720.88/19,187,900.40
  6. Step 6: Final answer
    x = 16,654,939.16

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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.