Home / 12,898,623.72-17,798,068.02-7,390,939.44

Finding the Fourth Proportional to 12,898,623.72, 17,798,068.02 and 7,390,939.44

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Solution

The fourth proportional to 12,898,623.72, 17,798,068.02 and 7,390,939.44 is: 10,198,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,623.72 : 17,798,068.02 = 7,390,939.44 : x
  2. Step 2: Convert to fraction form
    12,898,623.72/17,798,068.02 = 7,390,939.44/x
  3. Step 3: Cross multiply
    12,898,623.72x = 17,798,068.02 × 7,390,939.44
  4. Step 4: Simplify right side
    12,898,623.72x = 131,544,442,884,820.72
  5. Step 5: Solve for x
    x = 131,544,442,884,820.72/12,898,623.72
  6. Step 6: Final answer
    x = 10,198,331.68

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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.