Home / 7,219,209.72-10,828,273.32-2,101,678.86

Finding the Fourth Proportional to 7,219,209.72, 10,828,273.32 and 2,101,678.86

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Solution

The fourth proportional to 7,219,209.72, 10,828,273.32 and 2,101,678.86 is: 3,152,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,209.72 : 10,828,273.32 = 2,101,678.86 : x
  2. Step 2: Convert to fraction form
    7,219,209.72/10,828,273.32 = 2,101,678.86/x
  3. Step 3: Cross multiply
    7,219,209.72x = 10,828,273.32 × 2,101,678.86
  4. Step 4: Simplify right side
    7,219,209.72x = 22,757,553,126,946.02
  5. Step 5: Solve for x
    x = 22,757,553,126,946.02/7,219,209.72
  6. Step 6: Final answer
    x = 3,152,360.72

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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.