Home / 27,979,731.04-41,971,095.60-8,811,981.76

Finding the Fourth Proportional to 27,979,731.04, 41,971,095.60 and 8,811,981.76

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Solution

The fourth proportional to 27,979,731.04, 41,971,095.60 and 8,811,981.76 is: 13,218,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979,731.04 : 41,971,095.60 = 8,811,981.76 : x
  2. Step 2: Convert to fraction form
    27,979,731.04/41,971,095.60 = 8,811,981.76/x
  3. Step 3: Cross multiply
    27,979,731.04x = 41,971,095.60 × 8,811,981.76
  4. Step 4: Simplify right side
    27,979,731.04x = 369,848,528,874,416.25
  5. Step 5: Solve for x
    x = 369,848,528,874,416.25/27,979,731.04
  6. Step 6: Final answer
    x = 13,218,444.75

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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.