Home / 6,442,477.16-8,889,896.10-3,864,262.76

Finding the Fourth Proportional to 6,442,477.16, 8,889,896.10 and 3,864,262.76

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Solution

The fourth proportional to 6,442,477.16, 8,889,896.10 and 3,864,262.76 is: 5,332,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,477.16 : 8,889,896.10 = 3,864,262.76 : x
  2. Step 2: Convert to fraction form
    6,442,477.16/8,889,896.10 = 3,864,262.76/x
  3. Step 3: Cross multiply
    6,442,477.16x = 8,889,896.10 × 3,864,262.76
  4. Step 4: Simplify right side
    6,442,477.16x = 34,352,894,439,499.23
  5. Step 5: Solve for x
    x = 34,352,894,439,499.23/6,442,477.16
  6. Step 6: Final answer
    x = 5,332,249.32

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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.