Home / 7,156,550.10-9,875,814.12-3,893,281.23

Finding the Fourth Proportional to 7,156,550.10, 9,875,814.12 and 3,893,281.23

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Solution

The fourth proportional to 7,156,550.10, 9,875,814.12 and 3,893,281.23 is: 5,372,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,550.10 : 9,875,814.12 = 3,893,281.23 : x
  2. Step 2: Convert to fraction form
    7,156,550.10/9,875,814.12 = 3,893,281.23/x
  3. Step 3: Cross multiply
    7,156,550.10x = 9,875,814.12 × 3,893,281.23
  4. Step 4: Simplify right side
    7,156,550.10x = 38,449,321,744,364.96
  5. Step 5: Solve for x
    x = 38,449,321,744,364.96/7,156,550.10
  6. Step 6: Final answer
    x = 5,372,605.68

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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.