Home / 18,576,043.20-27,864,064.80-11,301,206.40

Finding the Fourth Proportional to 18,576,043.20, 27,864,064.80 and 11,301,206.40

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Solution

The fourth proportional to 18,576,043.20, 27,864,064.80 and 11,301,206.40 is: 16,951,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,043.20 : 27,864,064.80 = 11,301,206.40 : x
  2. Step 2: Convert to fraction form
    18,576,043.20/27,864,064.80 = 11,301,206.40/x
  3. Step 3: Cross multiply
    18,576,043.20x = 27,864,064.80 × 11,301,206.40
  4. Step 4: Simplify right side
    18,576,043.20x = 314,897,547,447,774.75
  5. Step 5: Solve for x
    x = 314,897,547,447,774.75/18,576,043.20
  6. Step 6: Final answer
    x = 16,951,809.60

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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.