Home / 14,488,847.20-21,733,270.80-13,393,986.40

Finding the Fourth Proportional to 14,488,847.20, 21,733,270.80 and 13,393,986.40

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Solution

The fourth proportional to 14,488,847.20, 21,733,270.80 and 13,393,986.40 is: 20,090,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,847.20 : 21,733,270.80 = 13,393,986.40 : x
  2. Step 2: Convert to fraction form
    14,488,847.20/21,733,270.80 = 13,393,986.40/x
  3. Step 3: Cross multiply
    14,488,847.20x = 21,733,270.80 × 13,393,986.40
  4. Step 4: Simplify right side
    14,488,847.20x = 291,095,133,522,717.12
  5. Step 5: Solve for x
    x = 291,095,133,522,717.12/14,488,847.20
  6. Step 6: Final answer
    x = 20,090,979.60

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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.