Home / 9,966,356.10-14,949,534.15-8,531,465.40

Finding the Fourth Proportional to 9,966,356.10, 14,949,534.15 and 8,531,465.40

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Solution

The fourth proportional to 9,966,356.10, 14,949,534.15 and 8,531,465.40 is: 12,797,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,356.10 : 14,949,534.15 = 8,531,465.40 : x
  2. Step 2: Convert to fraction form
    9,966,356.10/14,949,534.15 = 8,531,465.40/x
  3. Step 3: Cross multiply
    9,966,356.10x = 14,949,534.15 × 8,531,465.40
  4. Step 4: Simplify right side
    9,966,356.10x = 127,541,433,346,843.42
  5. Step 5: Solve for x
    x = 127,541,433,346,843.42/9,966,356.10
  6. Step 6: Final answer
    x = 12,797,198.10

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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.