Home / 15,570,568.44-21,487,430.52-8,695,311.12

Finding the Fourth Proportional to 15,570,568.44, 21,487,430.52 and 8,695,311.12

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Solution

The fourth proportional to 15,570,568.44, 21,487,430.52 and 8,695,311.12 is: 11,999,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,568.44 : 21,487,430.52 = 8,695,311.12 : x
  2. Step 2: Convert to fraction form
    15,570,568.44/21,487,430.52 = 8,695,311.12/x
  3. Step 3: Cross multiply
    15,570,568.44x = 21,487,430.52 × 8,695,311.12
  4. Step 4: Simplify right side
    15,570,568.44x = 186,839,893,540,783.38
  5. Step 5: Solve for x
    x = 186,839,893,540,783.38/15,570,568.44
  6. Step 6: Final answer
    x = 11,999,555.07

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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.