Home / 15,160,085.10-22,741,111.80-7,985,631.60

Finding the Fourth Proportional to 15,160,085.10, 22,741,111.80 and 7,985,631.60

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Solution

The fourth proportional to 15,160,085.10, 22,741,111.80 and 7,985,631.60 is: 11,978,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160,085.10 : 22,741,111.80 = 7,985,631.60 : x
  2. Step 2: Convert to fraction form
    15,160,085.10/22,741,111.80 = 7,985,631.60/x
  3. Step 3: Cross multiply
    15,160,085.10x = 22,741,111.80 × 7,985,631.60
  4. Step 4: Simplify right side
    15,160,085.10x = 181,602,141,009,212.88
  5. Step 5: Solve for x
    x = 181,602,141,009,212.88/15,160,085.10
  6. Step 6: Final answer
    x = 11,978,965.80

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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.