Home / 21,058,476.30-31,566,788.94-14,655,276.55

Finding the Fourth Proportional to 21,058,476.30, 31,566,788.94 and 14,655,276.55

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Solution

The fourth proportional to 21,058,476.30, 31,566,788.94 and 14,655,276.55 is: 21,968,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,476.30 : 31,566,788.94 = 14,655,276.55 : x
  2. Step 2: Convert to fraction form
    21,058,476.30/31,566,788.94 = 14,655,276.55/x
  3. Step 3: Cross multiply
    21,058,476.30x = 31,566,788.94 × 14,655,276.55
  4. Step 4: Simplify right side
    21,058,476.30x = 462,620,021,805,597.12
  5. Step 5: Solve for x
    x = 462,620,021,805,597.12/21,058,476.30
  6. Step 6: Final answer
    x = 21,968,352.09

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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.