Home / 19,259,529.60-28,900,492.80-7,908,124.80

Finding the Fourth Proportional to 19,259,529.60, 28,900,492.80 and 7,908,124.80

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Solution

The fourth proportional to 19,259,529.60, 28,900,492.80 and 7,908,124.80 is: 11,866,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,529.60 : 28,900,492.80 = 7,908,124.80 : x
  2. Step 2: Convert to fraction form
    19,259,529.60/28,900,492.80 = 7,908,124.80/x
  3. Step 3: Cross multiply
    19,259,529.60x = 28,900,492.80 × 7,908,124.80
  4. Step 4: Simplify right side
    19,259,529.60x = 228,548,703,843,901.44
  5. Step 5: Solve for x
    x = 228,548,703,843,901.44/19,259,529.60
  6. Step 6: Final answer
    x = 11,866,785.36

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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.