Home / 7,409,257.40-11,092,890.90-6,653,430.20

Finding the Fourth Proportional to 7,409,257.40, 11,092,890.90 and 6,653,430.20

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Solution

The fourth proportional to 7,409,257.40, 11,092,890.90 and 6,653,430.20 is: 9,961,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409,257.40 : 11,092,890.90 = 6,653,430.20 : x
  2. Step 2: Convert to fraction form
    7,409,257.40/11,092,890.90 = 6,653,430.20/x
  3. Step 3: Cross multiply
    7,409,257.40x = 11,092,890.90 × 6,653,430.20
  4. Step 4: Simplify right side
    7,409,257.40x = 73,805,775,319,365.19
  5. Step 5: Solve for x
    x = 73,805,775,319,365.19/7,409,257.40
  6. Step 6: Final answer
    x = 9,961,291.85

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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.