Home / 17,721,704.80-26,582,557.20-10,142,437.60

Finding the Fourth Proportional to 17,721,704.80, 26,582,557.20 and 10,142,437.60

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Solution

The fourth proportional to 17,721,704.80, 26,582,557.20 and 10,142,437.60 is: 15,213,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,704.80 : 26,582,557.20 = 10,142,437.60 : x
  2. Step 2: Convert to fraction form
    17,721,704.80/26,582,557.20 = 10,142,437.60/x
  3. Step 3: Cross multiply
    17,721,704.80x = 26,582,557.20 × 10,142,437.60
  4. Step 4: Simplify right side
    17,721,704.80x = 269,611,927,649,430.69
  5. Step 5: Solve for x
    x = 269,611,927,649,430.69/17,721,704.80
  6. Step 6: Final answer
    x = 15,213,656.40

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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.