Home / 14,298,267.38-19,731,749.20-7,771,892.82

Finding the Fourth Proportional to 14,298,267.38, 19,731,749.20 and 7,771,892.82

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Solution

The fourth proportional to 14,298,267.38, 19,731,749.20 and 7,771,892.82 is: 10,725,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,267.38 : 19,731,749.20 = 7,771,892.82 : x
  2. Step 2: Convert to fraction form
    14,298,267.38/19,731,749.20 = 7,771,892.82/x
  3. Step 3: Cross multiply
    14,298,267.38x = 19,731,749.20 × 7,771,892.82
  4. Step 4: Simplify right side
    14,298,267.38x = 153,353,039,933,520.75
  5. Step 5: Solve for x
    x = 153,353,039,933,520.75/14,298,267.38
  6. Step 6: Final answer
    x = 10,725,288.31

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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.