Home / 18,683,811.15-28,030,145.40-9,587,312.70

Finding the Fourth Proportional to 18,683,811.15, 28,030,145.40 and 9,587,312.70

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Solution

The fourth proportional to 18,683,811.15, 28,030,145.40 and 9,587,312.70 is: 14,383,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,811.15 : 28,030,145.40 = 9,587,312.70 : x
  2. Step 2: Convert to fraction form
    18,683,811.15/28,030,145.40 = 9,587,312.70/x
  3. Step 3: Cross multiply
    18,683,811.15x = 28,030,145.40 × 9,587,312.70
  4. Step 4: Simplify right side
    18,683,811.15x = 268,733,768,976,266.53
  5. Step 5: Solve for x
    x = 268,733,768,976,266.53/18,683,811.15
  6. Step 6: Final answer
    x = 14,383,241.56

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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.