Home / 19,129,261.37-26,398,165.78-10,427,243.04

Finding the Fourth Proportional to 19,129,261.37, 26,398,165.78 and 10,427,243.04

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Solution

The fourth proportional to 19,129,261.37, 26,398,165.78 and 10,427,243.04 is: 14,389,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129,261.37 : 26,398,165.78 = 10,427,243.04 : x
  2. Step 2: Convert to fraction form
    19,129,261.37/26,398,165.78 = 10,427,243.04/x
  3. Step 3: Cross multiply
    19,129,261.37x = 26,398,165.78 × 10,427,243.04
  4. Step 4: Simplify right side
    19,129,261.37x = 275,260,090,411,305.19
  5. Step 5: Solve for x
    x = 275,260,090,411,305.19/19,129,261.37
  6. Step 6: Final answer
    x = 14,389,478.25

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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.