Home / 14,036,806.80-21,019,780.80-9,218,408.40

Finding the Fourth Proportional to 14,036,806.80, 21,019,780.80 and 9,218,408.40

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Solution

The fourth proportional to 14,036,806.80, 21,019,780.80 and 9,218,408.40 is: 13,804,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,806.80 : 21,019,780.80 = 9,218,408.40 : x
  2. Step 2: Convert to fraction form
    14,036,806.80/21,019,780.80 = 9,218,408.40/x
  3. Step 3: Cross multiply
    14,036,806.80x = 21,019,780.80 × 9,218,408.40
  4. Step 4: Simplify right side
    14,036,806.80x = 193,768,923,892,878.75
  5. Step 5: Solve for x
    x = 193,768,923,892,878.75/14,036,806.80
  6. Step 6: Final answer
    x = 13,804,345.01

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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.