Home / 21,074,058.08-31,588,409.64-13,784,773.04

Finding the Fourth Proportional to 21,074,058.08, 31,588,409.64 and 13,784,773.04

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Solution

The fourth proportional to 21,074,058.08, 31,588,409.64 and 13,784,773.04 is: 20,662,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,058.08 : 31,588,409.64 = 13,784,773.04 : x
  2. Step 2: Convert to fraction form
    21,074,058.08/31,588,409.64 = 13,784,773.04/x
  3. Step 3: Cross multiply
    21,074,058.08x = 31,588,409.64 × 13,784,773.04
  4. Step 4: Simplify right side
    21,074,058.08x = 435,439,057,581,948.06
  5. Step 5: Solve for x
    x = 435,439,057,581,948.06/21,074,058.08
  6. Step 6: Final answer
    x = 20,662,325.97

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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.