Home / 8,130,038.94-12,196,173.78-4,719,926.38

Finding the Fourth Proportional to 8,130,038.94, 12,196,173.78 and 4,719,926.38

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Solution

The fourth proportional to 8,130,038.94, 12,196,173.78 and 4,719,926.38 is: 7,080,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,038.94 : 12,196,173.78 = 4,719,926.38 : x
  2. Step 2: Convert to fraction form
    8,130,038.94/12,196,173.78 = 4,719,926.38/x
  3. Step 3: Cross multiply
    8,130,038.94x = 12,196,173.78 × 4,719,926.38
  4. Step 4: Simplify right side
    8,130,038.94x = 57,565,042,359,286.31
  5. Step 5: Solve for x
    x = 57,565,042,359,286.31/8,130,038.94
  6. Step 6: Final answer
    x = 7,080,537.10

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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.