Home / 12,901,195.08-19,363,750.02-6,515,931.56

Finding the Fourth Proportional to 12,901,195.08, 19,363,750.02 and 6,515,931.56

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Solution

The fourth proportional to 12,901,195.08, 19,363,750.02 and 6,515,931.56 is: 9,779,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901,195.08 : 19,363,750.02 = 6,515,931.56 : x
  2. Step 2: Convert to fraction form
    12,901,195.08/19,363,750.02 = 6,515,931.56/x
  3. Step 3: Cross multiply
    12,901,195.08x = 19,363,750.02 × 6,515,931.56
  4. Step 4: Simplify right side
    12,901,195.08x = 126,172,869,875,268.62
  5. Step 5: Solve for x
    x = 126,172,869,875,268.62/12,901,195.08
  6. Step 6: Final answer
    x = 9,779,936.59

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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.