Home / 12,655,456.88-18,979,267.39-4,567,408.74

Finding the Fourth Proportional to 12,655,456.88, 18,979,267.39 and 4,567,408.74

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Solution

The fourth proportional to 12,655,456.88, 18,979,267.39 and 4,567,408.74 is: 6,849,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,456.88 : 18,979,267.39 = 4,567,408.74 : x
  2. Step 2: Convert to fraction form
    12,655,456.88/18,979,267.39 = 4,567,408.74/x
  3. Step 3: Cross multiply
    12,655,456.88x = 18,979,267.39 × 4,567,408.74
  4. Step 4: Simplify right side
    12,655,456.88x = 86,686,071,716,776.95
  5. Step 5: Solve for x
    x = 86,686,071,716,776.95/12,655,456.88
  6. Step 6: Final answer
    x = 6,849,699.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.