Home / 39,085,690.75-58,590,410.56-18,609,908.71

Finding the Fourth Proportional to 39,085,690.75, 58,590,410.56 and 18,609,908.71

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Solution

The fourth proportional to 39,085,690.75, 58,590,410.56 and 18,609,908.71 is: 27,896,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085,690.75 : 58,590,410.56 = 18,609,908.71 : x
  2. Step 2: Convert to fraction form
    39,085,690.75/58,590,410.56 = 18,609,908.71/x
  3. Step 3: Cross multiply
    39,085,690.75x = 58,590,410.56 × 18,609,908.71
  4. Step 4: Simplify right side
    39,085,690.75x = 1,090,362,191,803,020.12
  5. Step 5: Solve for x
    x = 1,090,362,191,803,020.12/39,085,690.75
  6. Step 6: Final answer
    x = 27,896,710.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.