Home / 19,002,377.89-26,245,071.02-12,505,011.35

Finding the Fourth Proportional to 19,002,377.89, 26,245,071.02 and 12,505,011.35

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Solution

The fourth proportional to 19,002,377.89, 26,245,071.02 and 12,505,011.35 is: 17,271,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002,377.89 : 26,245,071.02 = 12,505,011.35 : x
  2. Step 2: Convert to fraction form
    19,002,377.89/26,245,071.02 = 12,505,011.35/x
  3. Step 3: Cross multiply
    19,002,377.89x = 26,245,071.02 × 12,505,011.35
  4. Step 4: Simplify right side
    19,002,377.89x = 328,194,910,989,743.69
  5. Step 5: Solve for x
    x = 328,194,910,989,743.69/19,002,377.89
  6. Step 6: Final answer
    x = 17,271,254.84

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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.