Home / 8,176,977.60-12,265,466.40-7,645,536.60

Finding the Fourth Proportional to 8,176,977.60, 12,265,466.40 and 7,645,536.60

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Solution

The fourth proportional to 8,176,977.60, 12,265,466.40 and 7,645,536.60 is: 11,468,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,977.60 : 12,265,466.40 = 7,645,536.60 : x
  2. Step 2: Convert to fraction form
    8,176,977.60/12,265,466.40 = 7,645,536.60/x
  3. Step 3: Cross multiply
    8,176,977.60x = 12,265,466.40 × 7,645,536.60
  4. Step 4: Simplify right side
    8,176,977.60x = 93,776,072,277,270.23
  5. Step 5: Solve for x
    x = 93,776,072,277,270.23/8,176,977.60
  6. Step 6: Final answer
    x = 11,468,304.90

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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.