Home / 11,091,828.40-16,637,742.60-7,438,663.60

Finding the Fourth Proportional to 11,091,828.40, 16,637,742.60 and 7,438,663.60

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Solution

The fourth proportional to 11,091,828.40, 16,637,742.60 and 7,438,663.60 is: 11,157,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091,828.40 : 16,637,742.60 = 7,438,663.60 : x
  2. Step 2: Convert to fraction form
    11,091,828.40/16,637,742.60 = 7,438,663.60/x
  3. Step 3: Cross multiply
    11,091,828.40x = 16,637,742.60 × 7,438,663.60
  4. Step 4: Simplify right side
    11,091,828.40x = 123,762,570,264,789.34
  5. Step 5: Solve for x
    x = 123,762,570,264,789.34/11,091,828.40
  6. Step 6: Final answer
    x = 11,157,995.40

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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.