Home / 40,318,742.10-60,461,297.51-12,645,529.86

Finding the Fourth Proportional to 40,318,742.10, 60,461,297.51 and 12,645,529.86

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Solution

The fourth proportional to 40,318,742.10, 60,461,297.51 and 12,645,529.86 is: 18,963,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,742.10 : 60,461,297.51 = 12,645,529.86 : x
  2. Step 2: Convert to fraction form
    40,318,742.10/60,461,297.51 = 12,645,529.86/x
  3. Step 3: Cross multiply
    40,318,742.10x = 60,461,297.51 × 12,645,529.86
  4. Step 4: Simplify right side
    40,318,742.10x = 764,565,142,671,514.62
  5. Step 5: Solve for x
    x = 764,565,142,671,514.62/40,318,742.10
  6. Step 6: Final answer
    x = 18,963,020.74

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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.