Home / 28,224,059.60-42,336,089.40-16,728,021.20

Finding the Fourth Proportional to 28,224,059.60, 42,336,089.40 and 16,728,021.20

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Solution

The fourth proportional to 28,224,059.60, 42,336,089.40 and 16,728,021.20 is: 25,092,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224,059.60 : 42,336,089.40 = 16,728,021.20 : x
  2. Step 2: Convert to fraction form
    28,224,059.60/42,336,089.40 = 16,728,021.20/x
  3. Step 3: Cross multiply
    28,224,059.60x = 42,336,089.40 × 16,728,021.20
  4. Step 4: Simplify right side
    28,224,059.60x = 708,199,001,008,295.25
  5. Step 5: Solve for x
    x = 708,199,001,008,295.25/28,224,059.60
  6. Step 6: Final answer
    x = 25,092,031.80

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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.