Home / 13,068,015.40-19,602,023.10-12,572,003.80

Finding the Fourth Proportional to 13,068,015.40, 19,602,023.10 and 12,572,003.80

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Solution

The fourth proportional to 13,068,015.40, 19,602,023.10 and 12,572,003.80 is: 18,858,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,015.40 : 19,602,023.10 = 12,572,003.80 : x
  2. Step 2: Convert to fraction form
    13,068,015.40/19,602,023.10 = 12,572,003.80/x
  3. Step 3: Cross multiply
    13,068,015.40x = 19,602,023.10 × 12,572,003.80
  4. Step 4: Simplify right side
    13,068,015.40x = 246,436,708,900,887.81
  5. Step 5: Solve for x
    x = 246,436,708,900,887.81/13,068,015.40
  6. Step 6: Final answer
    x = 18,858,005.70

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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.