Home / 28,865,551.77-39,834,144.30-15,634,399.51

Finding the Fourth Proportional to 28,865,551.77, 39,834,144.30 and 15,634,399.51

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Solution

The fourth proportional to 28,865,551.77, 39,834,144.30 and 15,634,399.51 is: 21,575,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,551.77 : 39,834,144.30 = 15,634,399.51 : x
  2. Step 2: Convert to fraction form
    28,865,551.77/39,834,144.30 = 15,634,399.51/x
  3. Step 3: Cross multiply
    28,865,551.77x = 39,834,144.30 × 15,634,399.51
  4. Step 4: Simplify right side
    28,865,551.77x = 622,782,926,125,189.25
  5. Step 5: Solve for x
    x = 622,782,926,125,189.25/28,865,551.77
  6. Step 6: Final answer
    x = 21,575,299.55

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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.