Home / 12,402,611.19-17,111,756.66-7,242,250.23

Finding the Fourth Proportional to 12,402,611.19, 17,111,756.66 and 7,242,250.23

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Solution

The fourth proportional to 12,402,611.19, 17,111,756.66 and 7,242,250.23 is: 9,992,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,611.19 : 17,111,756.66 = 7,242,250.23 : x
  2. Step 2: Convert to fraction form
    12,402,611.19/17,111,756.66 = 7,242,250.23/x
  3. Step 3: Cross multiply
    12,402,611.19x = 17,111,756.66 × 7,242,250.23
  4. Step 4: Simplify right side
    12,402,611.19x = 123,927,623,570,377.80
  5. Step 5: Solve for x
    x = 123,927,623,570,377.80/12,402,611.19
  6. Step 6: Final answer
    x = 9,992,059.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.