Home / 8,357,733.28-11,535,326-5,421,189.61

Finding the Fourth Proportional to 8,357,733.28, 11,535,326 and 5,421,189.61

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Solution

The fourth proportional to 8,357,733.28, 11,535,326 and 5,421,189.61 is: 7,482,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357,733.28 : 11,535,326 = 5,421,189.61 : x
  2. Step 2: Convert to fraction form
    8,357,733.28/11,535,326 = 5,421,189.61/x
  3. Step 3: Cross multiply
    8,357,733.28x = 11,535,326 × 5,421,189.61
  4. Step 4: Simplify right side
    8,357,733.28x = 62,535,189,459,162.87
  5. Step 5: Solve for x
    x = 62,535,189,459,162.87/8,357,733.28
  6. Step 6: Final answer
    x = 7,482,314.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.