Home / 12,249,551.40-18,374,327.10-3,728,780.70

Finding the Fourth Proportional to 12,249,551.40, 18,374,327.10 and 3,728,780.70

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Solution

The fourth proportional to 12,249,551.40, 18,374,327.10 and 3,728,780.70 is: 5,593,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,551.40 : 18,374,327.10 = 3,728,780.70 : x
  2. Step 2: Convert to fraction form
    12,249,551.40/18,374,327.10 = 3,728,780.70/x
  3. Step 3: Cross multiply
    12,249,551.40x = 18,374,327.10 × 3,728,780.70
  4. Step 4: Simplify right side
    12,249,551.40x = 68,513,836,265,966.98
  5. Step 5: Solve for x
    x = 68,513,836,265,966.98/12,249,551.40
  6. Step 6: Final answer
    x = 5,593,171.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.