Home / 20,201,891.40-30,302,837.10-5,055,798.60

Finding the Fourth Proportional to 20,201,891.40, 30,302,837.10 and 5,055,798.60

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Solution

The fourth proportional to 20,201,891.40, 30,302,837.10 and 5,055,798.60 is: 7,583,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,891.40 : 30,302,837.10 = 5,055,798.60 : x
  2. Step 2: Convert to fraction form
    20,201,891.40/30,302,837.10 = 5,055,798.60/x
  3. Step 3: Cross multiply
    20,201,891.40x = 30,302,837.10 × 5,055,798.60
  4. Step 4: Simplify right side
    20,201,891.40x = 153,205,041,386,208.06
  5. Step 5: Solve for x
    x = 153,205,041,386,208.06/20,201,891.40
  6. Step 6: Final answer
    x = 7,583,697.90

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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.