Home / 13,466,126.64-18,583,372.78-7,665,281.36

Finding the Fourth Proportional to 13,466,126.64, 18,583,372.78 and 7,665,281.36

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Solution

The fourth proportional to 13,466,126.64, 18,583,372.78 and 7,665,281.36 is: 10,578,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,126.64 : 18,583,372.78 = 7,665,281.36 : x
  2. Step 2: Convert to fraction form
    13,466,126.64/18,583,372.78 = 7,665,281.36/x
  3. Step 3: Cross multiply
    13,466,126.64x = 18,583,372.78 × 7,665,281.36
  4. Step 4: Simplify right side
    13,466,126.64x = 142,446,780,976,465.41
  5. Step 5: Solve for x
    x = 142,446,780,976,465.41/13,466,126.64
  6. Step 6: Final answer
    x = 10,578,155.46

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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.