Home / 21,830,406.60-32,745,707.10-5,655,208.80

Finding the Fourth Proportional to 21,830,406.60, 32,745,707.10 and 5,655,208.80

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Solution

The fourth proportional to 21,830,406.60, 32,745,707.10 and 5,655,208.80 is: 8,482,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,406.60 : 32,745,707.10 = 5,655,208.80 : x
  2. Step 2: Convert to fraction form
    21,830,406.60/32,745,707.10 = 5,655,208.80/x
  3. Step 3: Cross multiply
    21,830,406.60x = 32,745,707.10 × 5,655,208.80
  4. Step 4: Simplify right side
    21,830,406.60x = 185,183,810,954,142.47
  5. Step 5: Solve for x
    x = 185,183,810,954,142.47/21,830,406.60
  6. Step 6: Final answer
    x = 8,482,838.38

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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.