Home / 12,760,205.40-19,140,308.10-12,592,243.80

Finding the Fourth Proportional to 12,760,205.40, 19,140,308.10 and 12,592,243.80

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Solution

The fourth proportional to 12,760,205.40, 19,140,308.10 and 12,592,243.80 is: 18,888,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,205.40 : 19,140,308.10 = 12,592,243.80 : x
  2. Step 2: Convert to fraction form
    12,760,205.40/19,140,308.10 = 12,592,243.80/x
  3. Step 3: Cross multiply
    12,760,205.40x = 19,140,308.10 × 12,592,243.80
  4. Step 4: Simplify right side
    12,760,205.40x = 241,019,426,002,314.81
  5. Step 5: Solve for x
    x = 241,019,426,002,314.81/12,760,205.40
  6. Step 6: Final answer
    x = 18,888,365.70

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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.