Home / 18,707,303.16-28,076,068.08-7,932,170.16

Finding the Fourth Proportional to 18,707,303.16, 28,076,068.08 and 7,932,170.16

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Solution

The fourth proportional to 18,707,303.16, 28,076,068.08 and 7,932,170.16 is: 11,904,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,303.16 : 28,076,068.08 = 7,932,170.16 : x
  2. Step 2: Convert to fraction form
    18,707,303.16/28,076,068.08 = 7,932,170.16/x
  3. Step 3: Cross multiply
    18,707,303.16x = 28,076,068.08 × 7,932,170.16
  4. Step 4: Simplify right side
    18,707,303.16x = 222,704,149,434,304.47
  5. Step 5: Solve for x
    x = 222,704,149,434,304.47/18,707,303.16
  6. Step 6: Final answer
    x = 11,904,663.52

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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.