Home / 21,167,049.40-29,223,050.29-13,333,276.91

Finding the Fourth Proportional to 21,167,049.40, 29,223,050.29 and 13,333,276.91

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Solution

The fourth proportional to 21,167,049.40, 29,223,050.29 and 13,333,276.91 is: 18,407,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,049.40 : 29,223,050.29 = 13,333,276.91 : x
  2. Step 2: Convert to fraction form
    21,167,049.40/29,223,050.29 = 13,333,276.91/x
  3. Step 3: Cross multiply
    21,167,049.40x = 29,223,050.29 × 13,333,276.91
  4. Step 4: Simplify right side
    21,167,049.40x = 389,639,021,711,150.25
  5. Step 5: Solve for x
    x = 389,639,021,711,150.25/21,167,049.40
  6. Step 6: Final answer
    x = 18,407,809.91

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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.