Home / 14,095,468.80-21,143,203.20-12,359,865.60

Finding the Fourth Proportional to 14,095,468.80, 21,143,203.20 and 12,359,865.60

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Solution

The fourth proportional to 14,095,468.80, 21,143,203.20 and 12,359,865.60 is: 18,539,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,468.80 : 21,143,203.20 = 12,359,865.60 : x
  2. Step 2: Convert to fraction form
    14,095,468.80/21,143,203.20 = 12,359,865.60/x
  3. Step 3: Cross multiply
    14,095,468.80x = 21,143,203.20 × 12,359,865.60
  4. Step 4: Simplify right side
    14,095,468.80x = 261,327,149,905,489.91
  5. Step 5: Solve for x
    x = 261,327,149,905,489.91/14,095,468.80
  6. Step 6: Final answer
    x = 18,539,798.40

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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.