Home / 9,966,611.80-14,949,140.10-3,900,165.40

Finding the Fourth Proportional to 9,966,611.80, 14,949,140.10 and 3,900,165.40

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Solution

The fourth proportional to 9,966,611.80, 14,949,140.10 and 3,900,165.40 is: 5,849,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,611.80 : 14,949,140.10 = 3,900,165.40 : x
  2. Step 2: Convert to fraction form
    9,966,611.80/14,949,140.10 = 3,900,165.40/x
  3. Step 3: Cross multiply
    9,966,611.80x = 14,949,140.10 × 3,900,165.40
  4. Step 4: Simplify right side
    9,966,611.80x = 58,304,118,977,772.54
  5. Step 5: Solve for x
    x = 58,304,118,977,772.54/9,966,611.80
  6. Step 6: Final answer
    x = 5,849,943.81

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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.