Home / 21,207,712.32-29,267,471.52-12,041,208.64

Finding the Fourth Proportional to 21,207,712.32, 29,267,471.52 and 12,041,208.64

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Solution

The fourth proportional to 21,207,712.32, 29,267,471.52 and 12,041,208.64 is: 16,617,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207,712.32 : 29,267,471.52 = 12,041,208.64 : x
  2. Step 2: Convert to fraction form
    21,207,712.32/29,267,471.52 = 12,041,208.64/x
  3. Step 3: Cross multiply
    21,207,712.32x = 29,267,471.52 × 12,041,208.64
  4. Step 4: Simplify right side
    21,207,712.32x = 352,415,730,937,577.94
  5. Step 5: Solve for x
    x = 352,415,730,937,577.94/21,207,712.32
  6. Step 6: Final answer
    x = 16,617,338.34

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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.