Home / 6,920,509.18-9,550,592.83-3,980,327.08

Finding the Fourth Proportional to 6,920,509.18, 9,550,592.83 and 3,980,327.08

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Solution

The fourth proportional to 6,920,509.18, 9,550,592.83 and 3,980,327.08 is: 5,493,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,509.18 : 9,550,592.83 = 3,980,327.08 : x
  2. Step 2: Convert to fraction form
    6,920,509.18/9,550,592.83 = 3,980,327.08/x
  3. Step 3: Cross multiply
    6,920,509.18x = 9,550,592.83 × 3,980,327.08
  4. Step 4: Simplify right side
    6,920,509.18x = 38,014,483,251,401.20
  5. Step 5: Solve for x
    x = 38,014,483,251,401.20/6,920,509.18
  6. Step 6: Final answer
    x = 5,493,018.25

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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.