Home / 12,718,082.80-19,077,239.53-3,620,176.81

Finding the Fourth Proportional to 12,718,082.80, 19,077,239.53 and 3,620,176.81

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Solution

The fourth proportional to 12,718,082.80, 19,077,239.53 and 3,620,176.81 is: 5,430,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,082.80 : 19,077,239.53 = 3,620,176.81 : x
  2. Step 2: Convert to fraction form
    12,718,082.80/19,077,239.53 = 3,620,176.81/x
  3. Step 3: Cross multiply
    12,718,082.80x = 19,077,239.53 × 3,620,176.81
  4. Step 4: Simplify right side
    12,718,082.80x = 69,062,980,127,220.41
  5. Step 5: Solve for x
    x = 69,062,980,127,220.41/12,718,082.80
  6. Step 6: Final answer
    x = 5,430,298.04

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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.