Home / 10,457,621.76-14,431,203.60-5,811,391.20

Finding the Fourth Proportional to 10,457,621.76, 14,431,203.60 and 5,811,391.20

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Solution

The fourth proportional to 10,457,621.76, 14,431,203.60 and 5,811,391.20 is: 8,019,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,621.76 : 14,431,203.60 = 5,811,391.20 : x
  2. Step 2: Convert to fraction form
    10,457,621.76/14,431,203.60 = 5,811,391.20/x
  3. Step 3: Cross multiply
    10,457,621.76x = 14,431,203.60 × 5,811,391.20
  4. Step 4: Simplify right side
    10,457,621.76x = 83,865,369,606,448.33
  5. Step 5: Solve for x
    x = 83,865,369,606,448.33/10,457,621.76
  6. Step 6: Final answer
    x = 8,019,545.13

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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.