Home / 30,581,701.20-45,872,551.80-16,976,811.60

Finding the Fourth Proportional to 30,581,701.20, 45,872,551.80 and 16,976,811.60

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Solution

The fourth proportional to 30,581,701.20, 45,872,551.80 and 16,976,811.60 is: 25,465,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,701.20 : 45,872,551.80 = 16,976,811.60 : x
  2. Step 2: Convert to fraction form
    30,581,701.20/45,872,551.80 = 16,976,811.60/x
  3. Step 3: Cross multiply
    30,581,701.20x = 45,872,551.80 × 16,976,811.60
  4. Step 4: Simplify right side
    30,581,701.20x = 778,769,669,519,840.88
  5. Step 5: Solve for x
    x = 778,769,669,519,840.88/30,581,701.20
  6. Step 6: Final answer
    x = 25,465,217.40

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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.