Home / 7,307,780.32-10,960,883.04-1,916,971.12

Finding the Fourth Proportional to 7,307,780.32, 10,960,883.04 and 1,916,971.12

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Solution

The fourth proportional to 7,307,780.32, 10,960,883.04 and 1,916,971.12 is: 2,875,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,780.32 : 10,960,883.04 = 1,916,971.12 : x
  2. Step 2: Convert to fraction form
    7,307,780.32/10,960,883.04 = 1,916,971.12/x
  3. Step 3: Cross multiply
    7,307,780.32x = 10,960,883.04 × 1,916,971.12
  4. Step 4: Simplify right side
    7,307,780.32x = 21,011,696,237,377.80
  5. Step 5: Solve for x
    x = 21,011,696,237,377.80/7,307,780.32
  6. Step 6: Final answer
    x = 2,875,250.12

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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.