Home / 21,303,211.20-31,954,816.80-14,500,766.40

Finding the Fourth Proportional to 21,303,211.20, 31,954,816.80 and 14,500,766.40

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Solution

The fourth proportional to 21,303,211.20, 31,954,816.80 and 14,500,766.40 is: 21,751,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,211.20 : 31,954,816.80 = 14,500,766.40 : x
  2. Step 2: Convert to fraction form
    21,303,211.20/31,954,816.80 = 14,500,766.40/x
  3. Step 3: Cross multiply
    21,303,211.20x = 31,954,816.80 × 14,500,766.40
  4. Step 4: Simplify right side
    21,303,211.20x = 463,369,333,771,595.56
  5. Step 5: Solve for x
    x = 463,369,333,771,595.56/21,303,211.20
  6. Step 6: Final answer
    x = 21,751,149.60

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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.