Home / 14,455,823.20-21,681,408.16-4,218,279.37

Finding the Fourth Proportional to 14,455,823.20, 21,681,408.16 and 4,218,279.37

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Solution

The fourth proportional to 14,455,823.20, 21,681,408.16 and 4,218,279.37 is: 6,326,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455,823.20 : 21,681,408.16 = 4,218,279.37 : x
  2. Step 2: Convert to fraction form
    14,455,823.20/21,681,408.16 = 4,218,279.37/x
  3. Step 3: Cross multiply
    14,455,823.20x = 21,681,408.16 × 4,218,279.37
  4. Step 4: Simplify right side
    14,455,823.20x = 91,458,236,803,177.09
  5. Step 5: Solve for x
    x = 91,458,236,803,177.09/14,455,823.20
  6. Step 6: Final answer
    x = 6,326,740.13

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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.