Home / 9,102,221.36-12,561,027.16-5,027,840.40

Finding the Fourth Proportional to 9,102,221.36, 12,561,027.16 and 5,027,840.40

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Solution

The fourth proportional to 9,102,221.36, 12,561,027.16 and 5,027,840.40 is: 6,938,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,221.36 : 12,561,027.16 = 5,027,840.40 : x
  2. Step 2: Convert to fraction form
    9,102,221.36/12,561,027.16 = 5,027,840.40/x
  3. Step 3: Cross multiply
    9,102,221.36x = 12,561,027.16 × 5,027,840.40
  4. Step 4: Simplify right side
    9,102,221.36x = 63,154,839,820,545.27
  5. Step 5: Solve for x
    x = 63,154,839,820,545.27/9,102,221.36
  6. Step 6: Final answer
    x = 6,938,398.59

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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.