Home / 13,416,006.40-20,124,009.60-12,471,222.40

Finding the Fourth Proportional to 13,416,006.40, 20,124,009.60 and 12,471,222.40

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Solution

The fourth proportional to 13,416,006.40, 20,124,009.60 and 12,471,222.40 is: 18,706,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,006.40 : 20,124,009.60 = 12,471,222.40 : x
  2. Step 2: Convert to fraction form
    13,416,006.40/20,124,009.60 = 12,471,222.40/x
  3. Step 3: Cross multiply
    13,416,006.40x = 20,124,009.60 × 12,471,222.40
  4. Step 4: Simplify right side
    13,416,006.40x = 250,970,999,301,335.06
  5. Step 5: Solve for x
    x = 250,970,999,301,335.06/13,416,006.40
  6. Step 6: Final answer
    x = 18,706,833.60

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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.