Home / 28,928,341.90-39,918,473.16-17,165,583.07

Finding the Fourth Proportional to 28,928,341.90, 39,918,473.16 and 17,165,583.07

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Solution

The fourth proportional to 28,928,341.90, 39,918,473.16 and 17,165,583.07 is: 23,686,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,341.90 : 39,918,473.16 = 17,165,583.07 : x
  2. Step 2: Convert to fraction form
    28,928,341.90/39,918,473.16 = 17,165,583.07/x
  3. Step 3: Cross multiply
    28,928,341.90x = 39,918,473.16 × 17,165,583.07
  4. Step 4: Simplify right side
    28,928,341.90x = 685,223,867,055,545.38
  5. Step 5: Solve for x
    x = 685,223,867,055,545.38/28,928,341.90
  6. Step 6: Final answer
    x = 23,686,938.90

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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.