Home / 20,416,506.66-28,175,417.10-11,716,270.74

Finding the Fourth Proportional to 20,416,506.66, 28,175,417.10 and 11,716,270.74

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Solution

The fourth proportional to 20,416,506.66, 28,175,417.10 and 11,716,270.74 is: 16,168,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,506.66 : 28,175,417.10 = 11,716,270.74 : x
  2. Step 2: Convert to fraction form
    20,416,506.66/28,175,417.10 = 11,716,270.74/x
  3. Step 3: Cross multiply
    20,416,506.66x = 28,175,417.10 × 11,716,270.74
  4. Step 4: Simplify right side
    20,416,506.66x = 330,110,814,956,025.69
  5. Step 5: Solve for x
    x = 330,110,814,956,025.69/20,416,506.66
  6. Step 6: Final answer
    x = 16,168,819.69

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1.5x scale

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.