Home / 28,700,463.68-43,061,193.12-13,355,072

Finding the Fourth Proportional to 28,700,463.68, 43,061,193.12 and 13,355,072

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Solution

The fourth proportional to 28,700,463.68, 43,061,193.12 and 13,355,072 is: 20,037,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,463.68 : 43,061,193.12 = 13,355,072 : x
  2. Step 2: Convert to fraction form
    28,700,463.68/43,061,193.12 = 13,355,072/x
  3. Step 3: Cross multiply
    28,700,463.68x = 43,061,193.12 × 13,355,072
  4. Step 4: Simplify right side
    28,700,463.68x = 575,085,334,523,504.62
  5. Step 5: Solve for x
    x = 575,085,334,523,504.62/28,700,463.68
  6. Step 6: Final answer
    x = 20,037,492.81

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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.