Home / 19,506,513.49-29,238,650.90-12,687,959.41

Finding the Fourth Proportional to 19,506,513.49, 29,238,650.90 and 12,687,959.41

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Solution

The fourth proportional to 19,506,513.49, 29,238,650.90 and 12,687,959.41 is: 19,018,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506,513.49 : 29,238,650.90 = 12,687,959.41 : x
  2. Step 2: Convert to fraction form
    19,506,513.49/29,238,650.90 = 12,687,959.41/x
  3. Step 3: Cross multiply
    19,506,513.49x = 29,238,650.90 × 12,687,959.41
  4. Step 4: Simplify right side
    19,506,513.49x = 370,978,815,854,079.88
  5. Step 5: Solve for x
    x = 370,978,815,854,079.88/19,506,513.49
  6. Step 6: Final answer
    x = 19,018,202.10

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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.