Home / 21,447,041.96-29,597,116.04-11,657,509.18

Finding the Fourth Proportional to 21,447,041.96, 29,597,116.04 and 11,657,509.18

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Solution

The fourth proportional to 21,447,041.96, 29,597,116.04 and 11,657,509.18 is: 16,087,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,041.96 : 29,597,116.04 = 11,657,509.18 : x
  2. Step 2: Convert to fraction form
    21,447,041.96/29,597,116.04 = 11,657,509.18/x
  3. Step 3: Cross multiply
    21,447,041.96x = 29,597,116.04 × 11,657,509.18
  4. Step 4: Simplify right side
    21,447,041.96x = 345,028,651,937,825.25
  5. Step 5: Solve for x
    x = 345,028,651,937,825.25/21,447,041.96
  6. Step 6: Final answer
    x = 16,087,470.36

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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.