Home / 8,643,646.98-11,928,228.89-4,776,134.31

Finding the Fourth Proportional to 8,643,646.98, 11,928,228.89 and 4,776,134.31

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Solution

The fourth proportional to 8,643,646.98, 11,928,228.89 and 4,776,134.31 is: 6,591,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643,646.98 : 11,928,228.89 = 4,776,134.31 : x
  2. Step 2: Convert to fraction form
    8,643,646.98/11,928,228.89 = 4,776,134.31/x
  3. Step 3: Cross multiply
    8,643,646.98x = 11,928,228.89 × 4,776,134.31
  4. Step 4: Simplify right side
    8,643,646.98x = 56,970,823,259,062.21
  5. Step 5: Solve for x
    x = 56,970,823,259,062.21/8,643,646.98
  6. Step 6: Final answer
    x = 6,591,063.17

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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.