Home / 40,318,739.90-60,461,294.16-12,645,527.58

Finding the Fourth Proportional to 40,318,739.90, 60,461,294.16 and 12,645,527.58

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Solution

The fourth proportional to 40,318,739.90, 60,461,294.16 and 12,645,527.58 is: 18,963,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,739.90 : 60,461,294.16 = 12,645,527.58 : x
  2. Step 2: Convert to fraction form
    40,318,739.90/60,461,294.16 = 12,645,527.58/x
  3. Step 3: Cross multiply
    40,318,739.90x = 60,461,294.16 × 12,645,527.58
  4. Step 4: Simplify right side
    40,318,739.90x = 764,564,962,822,772.88
  5. Step 5: Solve for x
    x = 764,564,962,822,772.88/40,318,739.90
  6. Step 6: Final answer
    x = 18,963,017.31

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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.