Home / 12,154,797.66-16,778,785.68-7,573,382.58

Finding the Fourth Proportional to 12,154,797.66, 16,778,785.68 and 7,573,382.58

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Solution

The fourth proportional to 12,154,797.66, 16,778,785.68 and 7,573,382.58 is: 10,454,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,797.66 : 16,778,785.68 = 7,573,382.58 : x
  2. Step 2: Convert to fraction form
    12,154,797.66/16,778,785.68 = 7,573,382.58/x
  3. Step 3: Cross multiply
    12,154,797.66x = 16,778,785.68 × 7,573,382.58
  4. Step 4: Simplify right side
    12,154,797.66x = 127,072,163,182,465.45
  5. Step 5: Solve for x
    x = 127,072,163,182,465.45/12,154,797.66
  6. Step 6: Final answer
    x = 10,454,486.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.