Home / 9,966,078.60-14,949,117.90-9,777,121.80

Finding the Fourth Proportional to 9,966,078.60, 14,949,117.90 and 9,777,121.80

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Solution

The fourth proportional to 9,966,078.60, 14,949,117.90 and 9,777,121.80 is: 14,665,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,078.60 : 14,949,117.90 = 9,777,121.80 : x
  2. Step 2: Convert to fraction form
    9,966,078.60/14,949,117.90 = 9,777,121.80/x
  3. Step 3: Cross multiply
    9,966,078.60x = 14,949,117.90 × 9,777,121.80
  4. Step 4: Simplify right side
    9,966,078.60x = 146,159,346,510,860.25
  5. Step 5: Solve for x
    x = 146,159,346,510,860.25/9,966,078.60
  6. Step 6: Final answer
    x = 14,665,682.70

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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.