Home / 19,251,499.22-28,857,818.04-12,068,077.70

Finding the Fourth Proportional to 19,251,499.22, 28,857,818.04 and 12,068,077.70

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Solution

The fourth proportional to 19,251,499.22, 28,857,818.04 and 12,068,077.70 is: 18,089,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,499.22 : 28,857,818.04 = 12,068,077.70 : x
  2. Step 2: Convert to fraction form
    19,251,499.22/28,857,818.04 = 12,068,077.70/x
  3. Step 3: Cross multiply
    19,251,499.22x = 28,857,818.04 × 12,068,077.70
  4. Step 4: Simplify right side
    19,251,499.22x = 348,258,390,359,181.69
  5. Step 5: Solve for x
    x = 348,258,390,359,181.69/19,251,499.22
  6. Step 6: Final answer
    x = 18,089,936.08

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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.