Home / 9,968,138.40-14,952,207.60-7,417,221.60

Finding the Fourth Proportional to 9,968,138.40, 14,952,207.60 and 7,417,221.60

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Solution

The fourth proportional to 9,968,138.40, 14,952,207.60 and 7,417,221.60 is: 11,125,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,138.40 : 14,952,207.60 = 7,417,221.60 : x
  2. Step 2: Convert to fraction form
    9,968,138.40/14,952,207.60 = 7,417,221.60/x
  3. Step 3: Cross multiply
    9,968,138.40x = 14,952,207.60 × 7,417,221.60
  4. Step 4: Simplify right side
    9,968,138.40x = 110,903,837,178,404.16
  5. Step 5: Solve for x
    x = 110,903,837,178,404.16/9,968,138.40
  6. Step 6: Final answer
    x = 11,125,832.40

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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.