Home / 20,443,203.12-30,634,509.06-8,297,888.16

Finding the Fourth Proportional to 20,443,203.12, 30,634,509.06 and 8,297,888.16

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Solution

The fourth proportional to 20,443,203.12, 30,634,509.06 and 8,297,888.16 is: 12,434,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443,203.12 : 30,634,509.06 = 8,297,888.16 : x
  2. Step 2: Convert to fraction form
    20,443,203.12/30,634,509.06 = 8,297,888.16/x
  3. Step 3: Cross multiply
    20,443,203.12x = 30,634,509.06 × 8,297,888.16
  4. Step 4: Simplify right side
    20,443,203.12x = 254,201,730,016,386.72
  5. Step 5: Solve for x
    x = 254,201,730,016,386.72/20,443,203.12
  6. Step 6: Final answer
    x = 12,434,535.26

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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.