Home / 7,035,778.31-9,709,538.48-3,938,224.62

Finding the Fourth Proportional to 7,035,778.31, 9,709,538.48 and 3,938,224.62

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Solution

The fourth proportional to 7,035,778.31, 9,709,538.48 and 3,938,224.62 is: 5,434,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,778.31 : 9,709,538.48 = 3,938,224.62 : x
  2. Step 2: Convert to fraction form
    7,035,778.31/9,709,538.48 = 3,938,224.62/x
  3. Step 3: Cross multiply
    7,035,778.31x = 9,709,538.48 × 3,938,224.62
  4. Step 4: Simplify right side
    7,035,778.31x = 38,238,343,490,773.38
  5. Step 5: Solve for x
    x = 38,238,343,490,773.38/7,035,778.31
  6. Step 6: Final answer
    x = 5,434,842.00

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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.