Home / 19,111,572.30-28,667,358.45-11,945,210.70

Finding the Fourth Proportional to 19,111,572.30, 28,667,358.45 and 11,945,210.70

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Solution

The fourth proportional to 19,111,572.30, 28,667,358.45 and 11,945,210.70 is: 17,917,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,572.30 : 28,667,358.45 = 11,945,210.70 : x
  2. Step 2: Convert to fraction form
    19,111,572.30/28,667,358.45 = 11,945,210.70/x
  3. Step 3: Cross multiply
    19,111,572.30x = 28,667,358.45 × 11,945,210.70
  4. Step 4: Simplify right side
    19,111,572.30x = 342,437,636,897,675.38
  5. Step 5: Solve for x
    x = 342,437,636,897,675.38/19,111,572.30
  6. Step 6: Final answer
    x = 17,917,816.05

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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.