Home / 20,216,485.20-30,261,742.20-14,547,781.20

Finding the Fourth Proportional to 20,216,485.20, 30,261,742.20 and 14,547,781.20

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Solution

The fourth proportional to 20,216,485.20, 30,261,742.20 and 14,547,781.20 is: 21,776,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,485.20 : 30,261,742.20 = 14,547,781.20 : x
  2. Step 2: Convert to fraction form
    20,216,485.20/30,261,742.20 = 14,547,781.20/x
  3. Step 3: Cross multiply
    20,216,485.20x = 30,261,742.20 × 14,547,781.20
  4. Step 4: Simplify right side
    20,216,485.20x = 440,241,204,256,406.62
  5. Step 5: Solve for x
    x = 440,241,204,256,406.62/20,216,485.20
  6. Step 6: Final answer
    x = 21,776,347.37

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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.