Home / 15,404,563.76-21,258,962.34-8,529,045.92

Finding the Fourth Proportional to 15,404,563.76, 21,258,962.34 and 8,529,045.92

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Solution

The fourth proportional to 15,404,563.76, 21,258,962.34 and 8,529,045.92 is: 11,770,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,563.76 : 21,258,962.34 = 8,529,045.92 : x
  2. Step 2: Convert to fraction form
    15,404,563.76/21,258,962.34 = 8,529,045.92/x
  3. Step 3: Cross multiply
    15,404,563.76x = 21,258,962.34 × 8,529,045.92
  4. Step 4: Simplify right side
    15,404,563.76x = 181,318,666,009,410.66
  5. Step 5: Solve for x
    x = 181,318,666,009,410.66/15,404,563.76
  6. Step 6: Final answer
    x = 11,770,451.20

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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.