Home / 12,772,682.60-19,159,023.90-11,386,999.40

Finding the Fourth Proportional to 12,772,682.60, 19,159,023.90 and 11,386,999.40

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Solution

The fourth proportional to 12,772,682.60, 19,159,023.90 and 11,386,999.40 is: 17,080,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,682.60 : 19,159,023.90 = 11,386,999.40 : x
  2. Step 2: Convert to fraction form
    12,772,682.60/19,159,023.90 = 11,386,999.40/x
  3. Step 3: Cross multiply
    12,772,682.60x = 19,159,023.90 × 11,386,999.40
  4. Step 4: Simplify right side
    12,772,682.60x = 218,163,793,653,885.66
  5. Step 5: Solve for x
    x = 218,163,793,653,885.66/12,772,682.60
  6. Step 6: Final answer
    x = 17,080,499.10

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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.