Home / 7,803,421.74-11,703,294.72-4,393,188.90

Finding the Fourth Proportional to 7,803,421.74, 11,703,294.72 and 4,393,188.90

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Solution

The fourth proportional to 7,803,421.74, 11,703,294.72 and 4,393,188.90 is: 6,588,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,421.74 : 11,703,294.72 = 4,393,188.90 : x
  2. Step 2: Convert to fraction form
    7,803,421.74/11,703,294.72 = 4,393,188.90/x
  3. Step 3: Cross multiply
    7,803,421.74x = 11,703,294.72 × 4,393,188.90
  4. Step 4: Simplify right side
    7,803,421.74x = 51,414,784,457,332.62
  5. Step 5: Solve for x
    x = 51,414,784,457,332.62/7,803,421.74
  6. Step 6: Final answer
    x = 6,588,748.65

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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.