Home / 13,303,428.20-19,960,391.10-5,215,027.40

Finding the Fourth Proportional to 13,303,428.20, 19,960,391.10 and 5,215,027.40

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Solution

The fourth proportional to 13,303,428.20, 19,960,391.10 and 5,215,027.40 is: 7,824,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,428.20 : 19,960,391.10 = 5,215,027.40 : x
  2. Step 2: Convert to fraction form
    13,303,428.20/19,960,391.10 = 5,215,027.40/x
  3. Step 3: Cross multiply
    13,303,428.20x = 19,960,391.10 × 5,215,027.40
  4. Step 4: Simplify right side
    13,303,428.20x = 104,093,986,501,216.16
  5. Step 5: Solve for x
    x = 104,093,986,501,216.16/13,303,428.20
  6. Step 6: Final answer
    x = 7,824,598.66

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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.