Home / 8,427,108.58-11,628,162.97-5,117,681.86

Finding the Fourth Proportional to 8,427,108.58, 11,628,162.97 and 5,117,681.86

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Solution

The fourth proportional to 8,427,108.58, 11,628,162.97 and 5,117,681.86 is: 7,061,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427,108.58 : 11,628,162.97 = 5,117,681.86 : x
  2. Step 2: Convert to fraction form
    8,427,108.58/11,628,162.97 = 5,117,681.86/x
  3. Step 3: Cross multiply
    8,427,108.58x = 11,628,162.97 × 5,117,681.86
  4. Step 4: Simplify right side
    8,427,108.58x = 59,509,238,654,828.11
  5. Step 5: Solve for x
    x = 59,509,238,654,828.11/8,427,108.58
  6. Step 6: Final answer
    x = 7,061,643.75

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1.5x scale

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.