Home / 21,503,292.80-32,254,939.20-16,128,521.60

Finding the Fourth Proportional to 21,503,292.80, 32,254,939.20 and 16,128,521.60

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Solution

The fourth proportional to 21,503,292.80, 32,254,939.20 and 16,128,521.60 is: 24,192,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503,292.80 : 32,254,939.20 = 16,128,521.60 : x
  2. Step 2: Convert to fraction form
    21,503,292.80/32,254,939.20 = 16,128,521.60/x
  3. Step 3: Cross multiply
    21,503,292.80x = 32,254,939.20 × 16,128,521.60
  4. Step 4: Simplify right side
    21,503,292.80x = 520,224,483,593,886.69
  5. Step 5: Solve for x
    x = 520,224,483,593,886.69/21,503,292.80
  6. Step 6: Final answer
    x = 24,192,782.40

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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.