Home / 14,042,506.40-21,063,759.60-9,787,479.20

Finding the Fourth Proportional to 14,042,506.40, 21,063,759.60 and 9,787,479.20

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Solution

The fourth proportional to 14,042,506.40, 21,063,759.60 and 9,787,479.20 is: 14,681,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,506.40 : 21,063,759.60 = 9,787,479.20 : x
  2. Step 2: Convert to fraction form
    14,042,506.40/21,063,759.60 = 9,787,479.20/x
  3. Step 3: Cross multiply
    14,042,506.40x = 21,063,759.60 × 9,787,479.20
  4. Step 4: Simplify right side
    14,042,506.40x = 206,161,108,958,800.31
  5. Step 5: Solve for x
    x = 206,161,108,958,800.31/14,042,506.40
  6. Step 6: Final answer
    x = 14,681,218.80

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1.5x scale

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.