Home / 12,671,844.93-18,955,709.69-10,118,047.95

Finding the Fourth Proportional to 12,671,844.93, 18,955,709.69 and 10,118,047.95

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Solution

The fourth proportional to 12,671,844.93, 18,955,709.69 and 10,118,047.95 is: 15,135,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,844.93 : 18,955,709.69 = 10,118,047.95 : x
  2. Step 2: Convert to fraction form
    12,671,844.93/18,955,709.69 = 10,118,047.95/x
  3. Step 3: Cross multiply
    12,671,844.93x = 18,955,709.69 × 10,118,047.95
  4. Step 4: Simplify right side
    12,671,844.93x = 191,794,779,519,109.38
  5. Step 5: Solve for x
    x = 191,794,779,519,109.38/12,671,844.93
  6. Step 6: Final answer
    x = 15,135,505.57

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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.