Home / 12,030,127.76-18,047,438.09-5,465,297.66

Finding the Fourth Proportional to 12,030,127.76, 18,047,438.09 and 5,465,297.66

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Solution

The fourth proportional to 12,030,127.76, 18,047,438.09 and 5,465,297.66 is: 8,198,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,127.76 : 18,047,438.09 = 5,465,297.66 : x
  2. Step 2: Convert to fraction form
    12,030,127.76/18,047,438.09 = 5,465,297.66/x
  3. Step 3: Cross multiply
    12,030,127.76x = 18,047,438.09 × 5,465,297.66
  4. Step 4: Simplify right side
    12,030,127.76x = 98,634,621,044,708.20
  5. Step 5: Solve for x
    x = 98,634,621,044,708.20/12,030,127.76
  6. Step 6: Final answer
    x = 8,198,967.05

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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.