Home / 7,035,789.07-9,709,553.31-3,938,235.40

Finding the Fourth Proportional to 7,035,789.07, 9,709,553.31 and 3,938,235.40

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Solution

The fourth proportional to 7,035,789.07, 9,709,553.31 and 3,938,235.40 is: 5,434,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,789.07 : 9,709,553.31 = 3,938,235.40 : x
  2. Step 2: Convert to fraction form
    7,035,789.07/9,709,553.31 = 3,938,235.40/x
  3. Step 3: Cross multiply
    7,035,789.07x = 9,709,553.31 × 3,938,235.40
  4. Step 4: Simplify right side
    7,035,789.07x = 38,238,506,515,081.41
  5. Step 5: Solve for x
    x = 38,238,506,515,081.41/7,035,789.07
  6. Step 6: Final answer
    x = 5,434,856.87

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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.