Home / 28,642,095.73-39,526,256.53-15,589,323.51

Finding the Fourth Proportional to 28,642,095.73, 39,526,256.53 and 15,589,323.51

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Solution

The fourth proportional to 28,642,095.73, 39,526,256.53 and 15,589,323.51 is: 21,513,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,095.73 : 39,526,256.53 = 15,589,323.51 : x
  2. Step 2: Convert to fraction form
    28,642,095.73/39,526,256.53 = 15,589,323.51/x
  3. Step 3: Cross multiply
    28,642,095.73x = 39,526,256.53 × 15,589,323.51
  4. Step 4: Simplify right side
    28,642,095.73x = 616,187,600,080,165
  5. Step 5: Solve for x
    x = 616,187,600,080,165/28,642,095.73
  6. Step 6: Final answer
    x = 21,513,355.93

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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.