Home / 10,255,763.85-14,157,311.93-6,390,194.88

Finding the Fourth Proportional to 10,255,763.85, 14,157,311.93 and 6,390,194.88

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Solution

The fourth proportional to 10,255,763.85, 14,157,311.93 and 6,390,194.88 is: 8,821,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,763.85 : 14,157,311.93 = 6,390,194.88 : x
  2. Step 2: Convert to fraction form
    10,255,763.85/14,157,311.93 = 6,390,194.88/x
  3. Step 3: Cross multiply
    10,255,763.85x = 14,157,311.93 × 6,390,194.88
  4. Step 4: Simplify right side
    10,255,763.85x = 90,467,982,209,648.92
  5. Step 5: Solve for x
    x = 90,467,982,209,648.92/10,255,763.85
  6. Step 6: Final answer
    x = 8,821,184.22

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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.