Home / 39,997,840.40-55,196,845.16-22,356,719.76

Finding the Fourth Proportional to 39,997,840.40, 55,196,845.16 and 22,356,719.76

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Solution

The fourth proportional to 39,997,840.40, 55,196,845.16 and 22,356,719.76 is: 30,852,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997,840.40 : 55,196,845.16 = 22,356,719.76 : x
  2. Step 2: Convert to fraction form
    39,997,840.40/55,196,845.16 = 22,356,719.76/x
  3. Step 3: Cross multiply
    39,997,840.40x = 55,196,845.16 × 22,356,719.76
  4. Step 4: Simplify right side
    39,997,840.40x = 1,234,020,398,878,232.25
  5. Step 5: Solve for x
    x = 1,234,020,398,878,232.25/39,997,840.40
  6. Step 6: Final answer
    x = 30,852,175.68

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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.