Home / 21,690,422.40-32,526,302.40-10,903,555.20

Finding the Fourth Proportional to 21,690,422.40, 32,526,302.40 and 10,903,555.20

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Solution

The fourth proportional to 21,690,422.40, 32,526,302.40 and 10,903,555.20 is: 16,350,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,422.40 : 32,526,302.40 = 10,903,555.20 : x
  2. Step 2: Convert to fraction form
    21,690,422.40/32,526,302.40 = 10,903,555.20/x
  3. Step 3: Cross multiply
    21,690,422.40x = 32,526,302.40 × 10,903,555.20
  4. Step 4: Simplify right side
    21,690,422.40x = 354,652,333,670,292.44
  5. Step 5: Solve for x
    x = 354,652,333,670,292.44/21,690,422.40
  6. Step 6: Final answer
    x = 16,350,642.10

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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.