Home / 12,833,187.20-19,249,780.80-11,982,881.60

Finding the Fourth Proportional to 12,833,187.20, 19,249,780.80 and 11,982,881.60

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Solution

The fourth proportional to 12,833,187.20, 19,249,780.80 and 11,982,881.60 is: 17,974,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833,187.20 : 19,249,780.80 = 11,982,881.60 : x
  2. Step 2: Convert to fraction form
    12,833,187.20/19,249,780.80 = 11,982,881.60/x
  3. Step 3: Cross multiply
    12,833,187.20x = 19,249,780.80 × 11,982,881.60
  4. Step 4: Simplify right side
    12,833,187.20x = 230,667,844,152,353.28
  5. Step 5: Solve for x
    x = 230,667,844,152,353.28/12,833,187.20
  6. Step 6: Final answer
    x = 17,974,322.40

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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.