Home / 12,974,989.08-19,456,492.96-4,775,571.72

Finding the Fourth Proportional to 12,974,989.08, 19,456,492.96 and 4,775,571.72

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Solution

The fourth proportional to 12,974,989.08, 19,456,492.96 and 4,775,571.72 is: 7,161,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,989.08 : 19,456,492.96 = 4,775,571.72 : x
  2. Step 2: Convert to fraction form
    12,974,989.08/19,456,492.96 = 4,775,571.72/x
  3. Step 3: Cross multiply
    12,974,989.08x = 19,456,492.96 × 4,775,571.72
  4. Step 4: Simplify right side
    12,974,989.08x = 92,915,877,550,155.09
  5. Step 5: Solve for x
    x = 92,915,877,550,155.09/12,974,989.08
  6. Step 6: Final answer
    x = 7,161,152.66

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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.