Home / 28,638,111.93-39,520,696.83-15,585,527.31

Finding the Fourth Proportional to 28,638,111.93, 39,520,696.83 and 15,585,527.31

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Solution

The fourth proportional to 28,638,111.93, 39,520,696.83 and 15,585,527.31 is: 21,508,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638,111.93 : 39,520,696.83 = 15,585,527.31 : x
  2. Step 2: Convert to fraction form
    28,638,111.93/39,520,696.83 = 15,585,527.31/x
  3. Step 3: Cross multiply
    28,638,111.93x = 39,520,696.83 × 15,585,527.31
  4. Step 4: Simplify right side
    28,638,111.93x = 615,950,899,754,195.38
  5. Step 5: Solve for x
    x = 615,950,899,754,195.38/28,638,111.93
  6. Step 6: Final answer
    x = 21,508,083.40

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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.