Home / 7,202,165.22-9,938,848.23-3,938,969.52

Finding the Fourth Proportional to 7,202,165.22, 9,938,848.23 and 3,938,969.52

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Solution

The fourth proportional to 7,202,165.22, 9,938,848.23 and 3,938,969.52 is: 5,435,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,165.22 : 9,938,848.23 = 3,938,969.52 : x
  2. Step 2: Convert to fraction form
    7,202,165.22/9,938,848.23 = 3,938,969.52/x
  3. Step 3: Cross multiply
    7,202,165.22x = 9,938,848.23 × 3,938,969.52
  4. Step 4: Simplify right side
    7,202,165.22x = 39,148,820,241,875.95
  5. Step 5: Solve for x
    x = 39,148,820,241,875.95/7,202,165.22
  6. Step 6: Final answer
    x = 5,435,701.49

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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.