Home / 7,956,196.81-11,987,460.40-7,188,586.81

Finding the Fourth Proportional to 7,956,196.81, 11,987,460.40 and 7,188,586.81

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Solution

The fourth proportional to 7,956,196.81, 11,987,460.40 and 7,188,586.81 is: 10,830,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956,196.81 : 11,987,460.40 = 7,188,586.81 : x
  2. Step 2: Convert to fraction form
    7,956,196.81/11,987,460.40 = 7,188,586.81/x
  3. Step 3: Cross multiply
    7,956,196.81x = 11,987,460.40 × 7,188,586.81
  4. Step 4: Simplify right side
    7,956,196.81x = 86,172,899,695,869.05
  5. Step 5: Solve for x
    x = 86,172,899,695,869.05/7,956,196.81
  6. Step 6: Final answer
    x = 10,830,916.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.