Home / 28,671,979.10-43,007,968.65-8,477,221.10

Finding the Fourth Proportional to 28,671,979.10, 43,007,968.65 and 8,477,221.10

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Solution

The fourth proportional to 28,671,979.10, 43,007,968.65 and 8,477,221.10 is: 12,715,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,979.10 : 43,007,968.65 = 8,477,221.10 : x
  2. Step 2: Convert to fraction form
    28,671,979.10/43,007,968.65 = 8,477,221.10/x
  3. Step 3: Cross multiply
    28,671,979.10x = 43,007,968.65 × 8,477,221.10
  4. Step 4: Simplify right side
    28,671,979.10x = 364,588,059,307,918.50
  5. Step 5: Solve for x
    x = 364,588,059,307,918.50/28,671,979.10
  6. Step 6: Final answer
    x = 12,715,831.65

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Double scale
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Similar ratio
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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.