Home / 14,335,963.40-19,783,620.78-7,897,435.40

Finding the Fourth Proportional to 14,335,963.40, 19,783,620.78 and 7,897,435.40

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Solution

The fourth proportional to 14,335,963.40, 19,783,620.78 and 7,897,435.40 is: 10,898,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335,963.40 : 19,783,620.78 = 7,897,435.40 : x
  2. Step 2: Convert to fraction form
    14,335,963.40/19,783,620.78 = 7,897,435.40/x
  3. Step 3: Cross multiply
    14,335,963.40x = 19,783,620.78 × 7,897,435.40
  4. Step 4: Simplify right side
    14,335,963.40x = 156,239,867,088,147.62
  5. Step 5: Solve for x
    x = 156,239,867,088,147.62/14,335,963.40
  6. Step 6: Final answer
    x = 10,898,456.05

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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.