Home / 12,111,471.68-18,152,247.90-10,393,539.44

Finding the Fourth Proportional to 12,111,471.68, 18,152,247.90 and 10,393,539.44

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Solution

The fourth proportional to 12,111,471.68, 18,152,247.90 and 10,393,539.44 is: 15,577,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,471.68 : 18,152,247.90 = 10,393,539.44 : x
  2. Step 2: Convert to fraction form
    12,111,471.68/18,152,247.90 = 10,393,539.44/x
  3. Step 3: Cross multiply
    12,111,471.68x = 18,152,247.90 × 10,393,539.44
  4. Step 4: Simplify right side
    12,111,471.68x = 188,666,104,473,307.16
  5. Step 5: Solve for x
    x = 188,666,104,473,307.16/12,111,471.68
  6. Step 6: Final answer
    x = 15,577,471.46

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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.