Home / 13,787,572.56-19,021,925.16-7,983,186

Finding the Fourth Proportional to 13,787,572.56, 19,021,925.16 and 7,983,186

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Solution

The fourth proportional to 13,787,572.56, 19,021,925.16 and 7,983,186 is: 11,013,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,572.56 : 19,021,925.16 = 7,983,186 : x
  2. Step 2: Convert to fraction form
    13,787,572.56/19,021,925.16 = 7,983,186/x
  3. Step 3: Cross multiply
    13,787,572.56x = 19,021,925.16 × 7,983,186
  4. Step 4: Simplify right side
    13,787,572.56x = 151,855,566,630,359.75
  5. Step 5: Solve for x
    x = 151,855,566,630,359.75/13,787,572.56
  6. Step 6: Final answer
    x = 11,013,945.06

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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.