Home / 45,654,439.62-63,009,857.75-28,910,707.49

Finding the Fourth Proportional to 45,654,439.62, 63,009,857.75 and 28,910,707.49

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Solution

The fourth proportional to 45,654,439.62, 63,009,857.75 and 28,910,707.49 is: 39,901,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,654,439.62 : 63,009,857.75 = 28,910,707.49 : x
  2. Step 2: Convert to fraction form
    45,654,439.62/63,009,857.75 = 28,910,707.49/x
  3. Step 3: Cross multiply
    45,654,439.62x = 63,009,857.75 × 28,910,707.49
  4. Step 4: Simplify right side
    45,654,439.62x = 1,821,659,565,937,156.50
  5. Step 5: Solve for x
    x = 1,821,659,565,937,156.50/45,654,439.62
  6. Step 6: Final answer
    x = 39,901,038.78

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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.