Home / 28,569,640.44-42,865,814.97-9,141,859.02

Finding the Fourth Proportional to 28,569,640.44, 42,865,814.97 and 9,141,859.02

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Solution

The fourth proportional to 28,569,640.44, 42,865,814.97 and 9,141,859.02 is: 13,716,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569,640.44 : 42,865,814.97 = 9,141,859.02 : x
  2. Step 2: Convert to fraction form
    28,569,640.44/42,865,814.97 = 9,141,859.02/x
  3. Step 3: Cross multiply
    28,569,640.44x = 42,865,814.97 × 9,141,859.02
  4. Step 4: Simplify right side
    28,569,640.44x = 391,873,237,233,145.50
  5. Step 5: Solve for x
    x = 391,873,237,233,145.50/28,569,640.44
  6. Step 6: Final answer
    x = 13,716,421.74

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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.