Home / 21,663,328.43-29,895,331.59-11,873,742.35

Finding the Fourth Proportional to 21,663,328.43, 29,895,331.59 and 11,873,742.35

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Solution

The fourth proportional to 21,663,328.43, 29,895,331.59 and 11,873,742.35 is: 16,385,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663,328.43 : 29,895,331.59 = 11,873,742.35 : x
  2. Step 2: Convert to fraction form
    21,663,328.43/29,895,331.59 = 11,873,742.35/x
  3. Step 3: Cross multiply
    21,663,328.43x = 29,895,331.59 × 11,873,742.35
  4. Step 4: Simplify right side
    21,663,328.43x = 354,969,464,617,999.19
  5. Step 5: Solve for x
    x = 354,969,464,617,999.19/21,663,328.43
  6. Step 6: Final answer
    x = 16,385,730.65

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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.