Home / 12,781,252.10-19,171,878.15-9,925,904.90

Finding the Fourth Proportional to 12,781,252.10, 19,171,878.15 and 9,925,904.90

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Solution

The fourth proportional to 12,781,252.10, 19,171,878.15 and 9,925,904.90 is: 14,888,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,252.10 : 19,171,878.15 = 9,925,904.90 : x
  2. Step 2: Convert to fraction form
    12,781,252.10/19,171,878.15 = 9,925,904.90/x
  3. Step 3: Cross multiply
    12,781,252.10x = 19,171,878.15 × 9,925,904.90
  4. Step 4: Simplify right side
    12,781,252.10x = 190,298,239,271,287.94
  5. Step 5: Solve for x
    x = 190,298,239,271,287.94/12,781,252.10
  6. Step 6: Final answer
    x = 14,888,857.35

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1.5x scale

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.