Home / 7,455,915-11,169,624.60-6,249,215.88

Finding the Fourth Proportional to 7,455,915, 11,169,624.60 and 6,249,215.88

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Solution

The fourth proportional to 7,455,915, 11,169,624.60 and 6,249,215.88 is: 9,361,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455,915 : 11,169,624.60 = 6,249,215.88 : x
  2. Step 2: Convert to fraction form
    7,455,915/11,169,624.60 = 6,249,215.88/x
  3. Step 3: Cross multiply
    7,455,915x = 11,169,624.60 × 6,249,215.88
  4. Step 4: Simplify right side
    7,455,915x = 69,801,395,423,958.64
  5. Step 5: Solve for x
    x = 69,801,395,423,958.64/7,455,915
  6. Step 6: Final answer
    x = 9,361,881.86

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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.