Home / 21,203,669.40-31,805,504.10-14,485,205.40

Finding the Fourth Proportional to 21,203,669.40, 31,805,504.10 and 14,485,205.40

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Solution

The fourth proportional to 21,203,669.40, 31,805,504.10 and 14,485,205.40 is: 21,727,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,669.40 : 31,805,504.10 = 14,485,205.40 : x
  2. Step 2: Convert to fraction form
    21,203,669.40/31,805,504.10 = 14,485,205.40/x
  3. Step 3: Cross multiply
    21,203,669.40x = 31,805,504.10 × 14,485,205.40
  4. Step 4: Simplify right side
    21,203,669.40x = 460,709,259,739,042.19
  5. Step 5: Solve for x
    x = 460,709,259,739,042.19/21,203,669.40
  6. Step 6: Final answer
    x = 21,727,808.10

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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.