Home / 28,391,928.32-42,587,887.62-8,974,784.89

Finding the Fourth Proportional to 28,391,928.32, 42,587,887.62 and 8,974,784.89

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Solution

The fourth proportional to 28,391,928.32, 42,587,887.62 and 8,974,784.89 is: 13,462,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,928.32 : 42,587,887.62 = 8,974,784.89 : x
  2. Step 2: Convert to fraction form
    28,391,928.32/42,587,887.62 = 8,974,784.89/x
  3. Step 3: Cross multiply
    28,391,928.32x = 42,587,887.62 × 8,974,784.89
  4. Step 4: Simplify right side
    28,391,928.32x = 382,217,130,308,994.06
  5. Step 5: Solve for x
    x = 382,217,130,308,994.06/28,391,928.32
  6. Step 6: Final answer
    x = 13,462,175.80

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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.