Home / 40,318,740.90-60,461,295.66-12,645,528.58

Finding the Fourth Proportional to 40,318,740.90, 60,461,295.66 and 12,645,528.58

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Solution

The fourth proportional to 40,318,740.90, 60,461,295.66 and 12,645,528.58 is: 18,963,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,740.90 : 60,461,295.66 = 12,645,528.58 : x
  2. Step 2: Convert to fraction form
    40,318,740.90/60,461,295.66 = 12,645,528.58/x
  3. Step 3: Cross multiply
    40,318,740.90x = 60,461,295.66 × 12,645,528.58
  4. Step 4: Simplify right side
    40,318,740.90x = 764,565,042,252,359.88
  5. Step 5: Solve for x
    x = 764,565,042,252,359.88/40,318,740.90
  6. Step 6: Final answer
    x = 18,963,018.81

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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.