Home / 21,690,814.40-32,526,890.40-10,903,947.20

Finding the Fourth Proportional to 21,690,814.40, 32,526,890.40 and 10,903,947.20

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Solution

The fourth proportional to 21,690,814.40, 32,526,890.40 and 10,903,947.20 is: 16,351,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,814.40 : 32,526,890.40 = 10,903,947.20 : x
  2. Step 2: Convert to fraction form
    21,690,814.40/32,526,890.40 = 10,903,947.20/x
  3. Step 3: Cross multiply
    21,690,814.40x = 32,526,890.40 × 10,903,947.20
  4. Step 4: Simplify right side
    21,690,814.40x = 354,671,495,501,786.81
  5. Step 5: Solve for x
    x = 354,671,495,501,786.81/21,690,814.40
  6. Step 6: Final answer
    x = 16,351,230.02

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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.