Home / 21,407,580.72-32,111,633.52-6,261,818.40

Finding the Fourth Proportional to 21,407,580.72, 32,111,633.52 and 6,261,818.40

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Solution

The fourth proportional to 21,407,580.72, 32,111,633.52 and 6,261,818.40 is: 9,392,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,580.72 : 32,111,633.52 = 6,261,818.40 : x
  2. Step 2: Convert to fraction form
    21,407,580.72/32,111,633.52 = 6,261,818.40/x
  3. Step 3: Cross multiply
    21,407,580.72x = 32,111,633.52 × 6,261,818.40
  4. Step 4: Simplify right side
    21,407,580.72x = 201,077,217,629,592.78
  5. Step 5: Solve for x
    x = 201,077,217,629,592.78/21,407,580.72
  6. Step 6: Final answer
    x = 9,392,804.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.