Home / 13,688,944.04-18,890,743.15-7,577,372.54

Finding the Fourth Proportional to 13,688,944.04, 18,890,743.15 and 7,577,372.54

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Solution

The fourth proportional to 13,688,944.04, 18,890,743.15 and 7,577,372.54 is: 10,456,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688,944.04 : 18,890,743.15 = 7,577,372.54 : x
  2. Step 2: Convert to fraction form
    13,688,944.04/18,890,743.15 = 7,577,372.54/x
  3. Step 3: Cross multiply
    13,688,944.04x = 18,890,743.15 × 7,577,372.54
  4. Step 4: Simplify right side
    13,688,944.04x = 143,142,198,461,701.69
  5. Step 5: Solve for x
    x = 143,142,198,461,701.69/13,688,944.04
  6. Step 6: Final answer
    x = 10,456,774.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.