Home / 7,529,363.12-10,390,513.20-4,091,596.80

Finding the Fourth Proportional to 7,529,363.12, 10,390,513.20 and 4,091,596.80

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Solution

The fourth proportional to 7,529,363.12, 10,390,513.20 and 4,091,596.80 is: 5,646,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529,363.12 : 10,390,513.20 = 4,091,596.80 : x
  2. Step 2: Convert to fraction form
    7,529,363.12/10,390,513.20 = 4,091,596.80/x
  3. Step 3: Cross multiply
    7,529,363.12x = 10,390,513.20 × 4,091,596.80
  4. Step 4: Simplify right side
    7,529,363.12x = 42,513,790,559,477.76
  5. Step 5: Solve for x
    x = 42,513,790,559,477.76/7,529,363.12
  6. Step 6: Final answer
    x = 5,646,399.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.