Home / 30,766,173.39-42,456,975.27-16,827,928.98

Finding the Fourth Proportional to 30,766,173.39, 42,456,975.27 and 16,827,928.98

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Solution

The fourth proportional to 30,766,173.39, 42,456,975.27 and 16,827,928.98 is: 23,222,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766,173.39 : 42,456,975.27 = 16,827,928.98 : x
  2. Step 2: Convert to fraction form
    30,766,173.39/42,456,975.27 = 16,827,928.98/x
  3. Step 3: Cross multiply
    30,766,173.39x = 42,456,975.27 × 16,827,928.98
  4. Step 4: Simplify right side
    30,766,173.39x = 714,462,964,549,176.38
  5. Step 5: Solve for x
    x = 714,462,964,549,176.38/30,766,173.39
  6. Step 6: Final answer
    x = 23,222,353.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.