Home / 8,911,983.36-12,298,732.56-5,427,485.44

Finding the Fourth Proportional to 8,911,983.36, 12,298,732.56 and 5,427,485.44

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Solution

The fourth proportional to 8,911,983.36, 12,298,732.56 and 5,427,485.44 is: 7,490,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,983.36 : 12,298,732.56 = 5,427,485.44 : x
  2. Step 2: Convert to fraction form
    8,911,983.36/12,298,732.56 = 5,427,485.44/x
  3. Step 3: Cross multiply
    8,911,983.36x = 12,298,732.56 × 5,427,485.44
  4. Step 4: Simplify right side
    8,911,983.36x = 66,751,191,899,853.94
  5. Step 5: Solve for x
    x = 66,751,191,899,853.94/8,911,983.36
  6. Step 6: Final answer
    x = 7,490,048.98

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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.