Home / 21,649,209.48-29,875,821.17-11,859,639.80

Finding the Fourth Proportional to 21,649,209.48, 29,875,821.17 and 11,859,639.80

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Solution

The fourth proportional to 21,649,209.48, 29,875,821.17 and 11,859,639.80 is: 16,366,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,209.48 : 29,875,821.17 = 11,859,639.80 : x
  2. Step 2: Convert to fraction form
    21,649,209.48/29,875,821.17 = 11,859,639.80/x
  3. Step 3: Cross multiply
    21,649,209.48x = 29,875,821.17 × 11,859,639.80
  4. Step 4: Simplify right side
    21,649,209.48x = 354,316,477,596,737.25
  5. Step 5: Solve for x
    x = 354,316,477,596,737.25/21,649,209.48
  6. Step 6: Final answer
    x = 16,366,254.76

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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.