Home / 10,255,777.86-14,157,331.26-6,390,208.92

Finding the Fourth Proportional to 10,255,777.86, 14,157,331.26 and 6,390,208.92

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Solution

The fourth proportional to 10,255,777.86, 14,157,331.26 and 6,390,208.92 is: 8,821,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,777.86 : 14,157,331.26 = 6,390,208.92 : x
  2. Step 2: Convert to fraction form
    10,255,777.86/14,157,331.26 = 6,390,208.92/x
  3. Step 3: Cross multiply
    10,255,777.86x = 14,157,331.26 × 6,390,208.92
  4. Step 4: Simplify right side
    10,255,777.86x = 90,468,304,501,046.84
  5. Step 5: Solve for x
    x = 90,468,304,501,046.84/10,255,777.86
  6. Step 6: Final answer
    x = 8,821,203.59

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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.