Home / 13,398,559.40-20,090,228.06-9,143,881.96

Finding the Fourth Proportional to 13,398,559.40, 20,090,228.06 and 9,143,881.96

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Solution

The fourth proportional to 13,398,559.40, 20,090,228.06 and 9,143,881.96 is: 13,710,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,559.40 : 20,090,228.06 = 9,143,881.96 : x
  2. Step 2: Convert to fraction form
    13,398,559.40/20,090,228.06 = 9,143,881.96/x
  3. Step 3: Cross multiply
    13,398,559.40x = 20,090,228.06 × 9,143,881.96
  4. Step 4: Simplify right side
    13,398,559.40x = 183,702,673,930,119.81
  5. Step 5: Solve for x
    x = 183,702,673,930,119.81/13,398,559.40
  6. Step 6: Final answer
    x = 13,710,628.77

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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.