Home / 21,621,370.32-29,869,899.72-14,196,647.46

Finding the Fourth Proportional to 21,621,370.32, 29,869,899.72 and 14,196,647.46

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Solution

The fourth proportional to 21,621,370.32, 29,869,899.72 and 14,196,647.46 is: 19,612,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,370.32 : 29,869,899.72 = 14,196,647.46 : x
  2. Step 2: Convert to fraction form
    21,621,370.32/29,869,899.72 = 14,196,647.46/x
  3. Step 3: Cross multiply
    21,621,370.32x = 29,869,899.72 × 14,196,647.46
  4. Step 4: Simplify right side
    21,621,370.32x = 424,052,435,990,392.75
  5. Step 5: Solve for x
    x = 424,052,435,990,392.75/21,621,370.32
  6. Step 6: Final answer
    x = 19,612,653.12

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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.