Home / 7,815,865.37-10,785,768.23-4,378,095.77

Finding the Fourth Proportional to 7,815,865.37, 10,785,768.23 and 4,378,095.77

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Solution

The fourth proportional to 7,815,865.37, 10,785,768.23 and 4,378,095.77 is: 6,041,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,865.37 : 10,785,768.23 = 4,378,095.77 : x
  2. Step 2: Convert to fraction form
    7,815,865.37/10,785,768.23 = 4,378,095.77/x
  3. Step 3: Cross multiply
    7,815,865.37x = 10,785,768.23 × 4,378,095.77
  4. Step 4: Simplify right side
    7,815,865.37x = 47,221,126,220,979.78
  5. Step 5: Solve for x
    x = 47,221,126,220,979.78/7,815,865.37
  6. Step 6: Final answer
    x = 6,041,701.59

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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.