Home / 18,221,166.88-25,144,223.52-10,071,880

Finding the Fourth Proportional to 18,221,166.88, 25,144,223.52 and 10,071,880

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Solution

The fourth proportional to 18,221,166.88, 25,144,223.52 and 10,071,880 is: 13,898,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,166.88 : 25,144,223.52 = 10,071,880 : x
  2. Step 2: Convert to fraction form
    18,221,166.88/25,144,223.52 = 10,071,880/x
  3. Step 3: Cross multiply
    18,221,166.88x = 25,144,223.52 × 10,071,880
  4. Step 4: Simplify right side
    18,221,166.88x = 253,249,601,986,617.59
  5. Step 5: Solve for x
    x = 253,249,601,986,617.59/18,221,166.88
  6. Step 6: Final answer
    x = 13,898,648.95

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1.5x scale

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.