Home / 19,658,856.02-27,128,248.53-10,957,745.30

Finding the Fourth Proportional to 19,658,856.02, 27,128,248.53 and 10,957,745.30

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Solution

The fourth proportional to 19,658,856.02, 27,128,248.53 and 10,957,745.30 is: 15,121,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658,856.02 : 27,128,248.53 = 10,957,745.30 : x
  2. Step 2: Convert to fraction form
    19,658,856.02/27,128,248.53 = 10,957,745.30/x
  3. Step 3: Cross multiply
    19,658,856.02x = 27,128,248.53 × 10,957,745.30
  4. Step 4: Simplify right side
    19,658,856.02x = 297,264,437,826,839.44
  5. Step 5: Solve for x
    x = 297,264,437,826,839.44/19,658,856.02
  6. Step 6: Final answer
    x = 15,121,146.29

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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.