Home / 21,280,782.29-31,925,657.43-6,902,729.10

Finding the Fourth Proportional to 21,280,782.29, 31,925,657.43 and 6,902,729.10

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Solution

The fourth proportional to 21,280,782.29, 31,925,657.43 and 6,902,729.10 is: 10,355,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,782.29 : 31,925,657.43 = 6,902,729.10 : x
  2. Step 2: Convert to fraction form
    21,280,782.29/31,925,657.43 = 6,902,729.10/x
  3. Step 3: Cross multiply
    21,280,782.29x = 31,925,657.43 × 6,902,729.10
  4. Step 4: Simplify right side
    21,280,782.29x = 220,374,164,578,692.19
  5. Step 5: Solve for x
    x = 220,374,164,578,692.19/21,280,782.29
  6. Step 6: Final answer
    x = 10,355,548.10

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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.