Home / 21,470,312.32-29,629,159.86-11,680,826.74

Finding the Fourth Proportional to 21,470,312.32, 29,629,159.86 and 11,680,826.74

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Solution

The fourth proportional to 21,470,312.32, 29,629,159.86 and 11,680,826.74 is: 16,119,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470,312.32 : 29,629,159.86 = 11,680,826.74 : x
  2. Step 2: Convert to fraction form
    21,470,312.32/29,629,159.86 = 11,680,826.74/x
  3. Step 3: Cross multiply
    21,470,312.32x = 29,629,159.86 × 11,680,826.74
  4. Step 4: Simplify right side
    21,470,312.32x = 346,093,082,776,422.62
  5. Step 5: Solve for x
    x = 346,093,082,776,422.62/21,470,312.32
  6. Step 6: Final answer
    x = 16,119,611.01

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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.