Home / 21,538,114.60-32,263,626.30-13,426,191.40

Finding the Fourth Proportional to 21,538,114.60, 32,263,626.30 and 13,426,191.40

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Solution

The fourth proportional to 21,538,114.60, 32,263,626.30 and 13,426,191.40 is: 20,112,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,114.60 : 32,263,626.30 = 13,426,191.40 : x
  2. Step 2: Convert to fraction form
    21,538,114.60/32,263,626.30 = 13,426,191.40/x
  3. Step 3: Cross multiply
    21,538,114.60x = 32,263,626.30 × 13,426,191.40
  4. Step 4: Simplify right side
    21,538,114.60x = 433,177,621,961,873.81
  5. Step 5: Solve for x
    x = 433,177,621,961,873.81/21,538,114.60
  6. Step 6: Final answer
    x = 20,112,142.13

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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.