Home / 40,318,742.60-60,461,298.26-12,645,530.36

Finding the Fourth Proportional to 40,318,742.60, 60,461,298.26 and 12,645,530.36

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Solution

The fourth proportional to 40,318,742.60, 60,461,298.26 and 12,645,530.36 is: 18,963,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,742.60 : 60,461,298.26 = 12,645,530.36 : x
  2. Step 2: Convert to fraction form
    40,318,742.60/60,461,298.26 = 12,645,530.36/x
  3. Step 3: Cross multiply
    40,318,742.60x = 60,461,298.26 × 12,645,530.36
  4. Step 4: Simplify right side
    40,318,742.60x = 764,565,182,386,311.12
  5. Step 5: Solve for x
    x = 764,565,182,386,311.12/40,318,742.60
  6. Step 6: Final answer
    x = 18,963,021.49

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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.