Home / 9,628,987.48-13,280,254.66-8,464,944.84

Finding the Fourth Proportional to 9,628,987.48, 13,280,254.66 and 8,464,944.84

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Solution

The fourth proportional to 9,628,987.48, 13,280,254.66 and 8,464,944.84 is: 11,674,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,987.48 : 13,280,254.66 = 8,464,944.84 : x
  2. Step 2: Convert to fraction form
    9,628,987.48/13,280,254.66 = 8,464,944.84/x
  3. Step 3: Cross multiply
    9,628,987.48x = 13,280,254.66 × 8,464,944.84
  4. Step 4: Simplify right side
    9,628,987.48x = 112,416,623,158,052.95
  5. Step 5: Solve for x
    x = 112,416,623,158,052.95/9,628,987.48
  6. Step 6: Final answer
    x = 11,674,812.48

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Double scale
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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.