Home / 26,397,855.36-36,374,421.60-21,220,439.04

Finding the Fourth Proportional to 26,397,855.36, 36,374,421.60 and 21,220,439.04

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Solution

The fourth proportional to 26,397,855.36, 36,374,421.60 and 21,220,439.04 is: 29,240,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397,855.36 : 36,374,421.60 = 21,220,439.04 : x
  2. Step 2: Convert to fraction form
    26,397,855.36/36,374,421.60 = 21,220,439.04/x
  3. Step 3: Cross multiply
    26,397,855.36x = 36,374,421.60 × 21,220,439.04
  4. Step 4: Simplify right side
    26,397,855.36x = 771,881,196,178,059.25
  5. Step 5: Solve for x
    x = 771,881,196,178,059.25/26,397,855.36
  6. Step 6: Final answer
    x = 29,240,299.47

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1.5x scale

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.