Home / 6,121,159.20-9,181,738.80-5,459,810.40

Finding the Fourth Proportional to 6,121,159.20, 9,181,738.80 and 5,459,810.40

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Solution

The fourth proportional to 6,121,159.20, 9,181,738.80 and 5,459,810.40 is: 8,189,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,159.20 : 9,181,738.80 = 5,459,810.40 : x
  2. Step 2: Convert to fraction form
    6,121,159.20/9,181,738.80 = 5,459,810.40/x
  3. Step 3: Cross multiply
    6,121,159.20x = 9,181,738.80 × 5,459,810.40
  4. Step 4: Simplify right side
    6,121,159.20x = 50,130,552,990,323.53
  5. Step 5: Solve for x
    x = 50,130,552,990,323.53/6,121,159.20
  6. Step 6: Final answer
    x = 8,189,715.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.