Home / 20,434,518.93-30,651,779.16-8,304,929.13

Finding the Fourth Proportional to 20,434,518.93, 30,651,779.16 and 8,304,929.13

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Solution

The fourth proportional to 20,434,518.93, 30,651,779.16 and 8,304,929.13 is: 12,457,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,518.93 : 30,651,779.16 = 8,304,929.13 : x
  2. Step 2: Convert to fraction form
    20,434,518.93/30,651,779.16 = 8,304,929.13/x
  3. Step 3: Cross multiply
    20,434,518.93x = 30,651,779.16 × 8,304,929.13
  4. Step 4: Simplify right side
    20,434,518.93x = 254,560,853,632,210.94
  5. Step 5: Solve for x
    x = 254,560,853,632,210.94/20,434,518.93
  6. Step 6: Final answer
    x = 12,457,394.01

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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.