Home / 12,109,080.96-16,711,712.64-9,047,980.80

Finding the Fourth Proportional to 12,109,080.96, 16,711,712.64 and 9,047,980.80

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Solution

The fourth proportional to 12,109,080.96, 16,711,712.64 and 9,047,980.80 is: 12,487,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,080.96 : 16,711,712.64 = 9,047,980.80 : x
  2. Step 2: Convert to fraction form
    12,109,080.96/16,711,712.64 = 9,047,980.80/x
  3. Step 3: Cross multiply
    12,109,080.96x = 16,711,712.64 × 9,047,980.80
  4. Step 4: Simplify right side
    12,109,080.96x = 151,207,255,101,837.34
  5. Step 5: Solve for x
    x = 151,207,255,101,837.34/12,109,080.96
  6. Step 6: Final answer
    x = 12,487,095.89

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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.