Home / 21,447,380.07-29,597,594.81-11,657,818.22

Finding the Fourth Proportional to 21,447,380.07, 29,597,594.81 and 11,657,818.22

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Solution

The fourth proportional to 21,447,380.07, 29,597,594.81 and 11,657,818.22 is: 16,087,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,380.07 : 29,597,594.81 = 11,657,818.22 : x
  2. Step 2: Convert to fraction form
    21,447,380.07/29,597,594.81 = 11,657,818.22/x
  3. Step 3: Cross multiply
    21,447,380.07x = 29,597,594.81 × 11,657,818.22
  4. Step 4: Simplify right side
    21,447,380.07x = 345,043,379,837,918.38
  5. Step 5: Solve for x
    x = 345,043,379,837,918.38/21,447,380.07
  6. Step 6: Final answer
    x = 16,087,903.45

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1.5x scale

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.