Home / 7,210,234.32-9,939,522.60-5,488,355.76

Finding the Fourth Proportional to 7,210,234.32, 9,939,522.60 and 5,488,355.76

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Solution

The fourth proportional to 7,210,234.32, 9,939,522.60 and 5,488,355.76 is: 7,565,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,234.32 : 9,939,522.60 = 5,488,355.76 : x
  2. Step 2: Convert to fraction form
    7,210,234.32/9,939,522.60 = 5,488,355.76/x
  3. Step 3: Cross multiply
    7,210,234.32x = 9,939,522.60 × 5,488,355.76
  4. Step 4: Simplify right side
    7,210,234.32x = 54,551,636,113,360.17
  5. Step 5: Solve for x
    x = 54,551,636,113,360.17/7,210,234.32
  6. Step 6: Final answer
    x = 7,565,861.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.