Home / 28,865,552.77-39,834,145.68-15,634,400.51

Finding the Fourth Proportional to 28,865,552.77, 39,834,145.68 and 15,634,400.51

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Solution

The fourth proportional to 28,865,552.77, 39,834,145.68 and 15,634,400.51 is: 21,575,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,552.77 : 39,834,145.68 = 15,634,400.51 : x
  2. Step 2: Convert to fraction form
    28,865,552.77/39,834,145.68 = 15,634,400.51/x
  3. Step 3: Cross multiply
    28,865,552.77x = 39,834,145.68 × 15,634,400.51
  4. Step 4: Simplify right side
    28,865,552.77x = 622,782,987,534,806.25
  5. Step 5: Solve for x
    x = 622,782,987,534,806.25/28,865,552.77
  6. Step 6: Final answer
    x = 21,575,300.93

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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.