Home / 12,523,991.40-18,764,419.14-9,790,475.58

Finding the Fourth Proportional to 12,523,991.40, 18,764,419.14 and 9,790,475.58

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Solution

The fourth proportional to 12,523,991.40, 18,764,419.14 and 9,790,475.58 is: 14,668,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523,991.40 : 18,764,419.14 = 9,790,475.58 : x
  2. Step 2: Convert to fraction form
    12,523,991.40/18,764,419.14 = 9,790,475.58/x
  3. Step 3: Cross multiply
    12,523,991.40x = 18,764,419.14 × 9,790,475.58
  4. Step 4: Simplify right side
    12,523,991.40x = 183,712,587,363,054.59
  5. Step 5: Solve for x
    x = 183,712,587,363,054.59/12,523,991.40
  6. Step 6: Final answer
    x = 14,668,852.88

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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.