Home / 7,035,777.31-9,709,537.10-3,938,223.62

Finding the Fourth Proportional to 7,035,777.31, 9,709,537.10 and 3,938,223.62

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Solution

The fourth proportional to 7,035,777.31, 9,709,537.10 and 3,938,223.62 is: 5,434,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,777.31 : 9,709,537.10 = 3,938,223.62 : x
  2. Step 2: Convert to fraction form
    7,035,777.31/9,709,537.10 = 3,938,223.62/x
  3. Step 3: Cross multiply
    7,035,777.31x = 9,709,537.10 × 3,938,223.62
  4. Step 4: Simplify right side
    7,035,777.31x = 38,238,328,356,989.14
  5. Step 5: Solve for x
    x = 38,238,328,356,989.14/7,035,777.31
  6. Step 6: Final answer
    x = 5,434,840.62

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1.5x scale

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.