Home / 12,486,865.10-18,730,297.65-8,175,850.70

Finding the Fourth Proportional to 12,486,865.10, 18,730,297.65 and 8,175,850.70

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Solution

The fourth proportional to 12,486,865.10, 18,730,297.65 and 8,175,850.70 is: 12,263,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,865.10 : 18,730,297.65 = 8,175,850.70 : x
  2. Step 2: Convert to fraction form
    12,486,865.10/18,730,297.65 = 8,175,850.70/x
  3. Step 3: Cross multiply
    12,486,865.10x = 18,730,297.65 × 8,175,850.70
  4. Step 4: Simplify right side
    12,486,865.10x = 153,136,117,152,960.84
  5. Step 5: Solve for x
    x = 153,136,117,152,960.84/12,486,865.10
  6. Step 6: Final answer
    x = 12,263,776.05

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1.5x scale

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.