Home / 18,896,526.56-28,302,174.40-8,777,853.92

Finding the Fourth Proportional to 18,896,526.56, 28,302,174.40 and 8,777,853.92

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Solution

The fourth proportional to 18,896,526.56, 28,302,174.40 and 8,777,853.92 is: 13,146,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896,526.56 : 28,302,174.40 = 8,777,853.92 : x
  2. Step 2: Convert to fraction form
    18,896,526.56/28,302,174.40 = 8,777,853.92/x
  3. Step 3: Cross multiply
    18,896,526.56x = 28,302,174.40 × 8,777,853.92
  4. Step 4: Simplify right side
    18,896,526.56x = 248,432,352,501,563.62
  5. Step 5: Solve for x
    x = 248,432,352,501,563.62/18,896,526.56
  6. Step 6: Final answer
    x = 13,146,985.07

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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.