Home / 30,511,176.40-45,766,764.60-16,128,686.80

Finding the Fourth Proportional to 30,511,176.40, 45,766,764.60 and 16,128,686.80

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Solution

The fourth proportional to 30,511,176.40, 45,766,764.60 and 16,128,686.80 is: 24,193,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511,176.40 : 45,766,764.60 = 16,128,686.80 : x
  2. Step 2: Convert to fraction form
    30,511,176.40/45,766,764.60 = 16,128,686.80/x
  3. Step 3: Cross multiply
    30,511,176.40x = 45,766,764.60 × 16,128,686.80
  4. Step 4: Simplify right side
    30,511,176.40x = 738,157,812,082,727.38
  5. Step 5: Solve for x
    x = 738,157,812,082,727.38/30,511,176.40
  6. Step 6: Final answer
    x = 24,193,030.20

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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.