Home / 13,217,834.40-19,813,111.98-5,545,934.07

Finding the Fourth Proportional to 13,217,834.40, 19,813,111.98 and 5,545,934.07

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Solution

The fourth proportional to 13,217,834.40, 19,813,111.98 and 5,545,934.07 is: 8,313,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,834.40 : 19,813,111.98 = 5,545,934.07 : x
  2. Step 2: Convert to fraction form
    13,217,834.40/19,813,111.98 = 5,545,934.07/x
  3. Step 3: Cross multiply
    13,217,834.40x = 19,813,111.98 × 5,545,934.07
  4. Step 4: Simplify right side
    13,217,834.40x = 109,882,212,762,607.17
  5. Step 5: Solve for x
    x = 109,882,212,762,607.17/13,217,834.40
  6. Step 6: Final answer
    x = 8,313,178.20

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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.