Home / 12,128,799.47-16,739,211.02-6,903,078.26

Finding the Fourth Proportional to 12,128,799.47, 16,739,211.02 and 6,903,078.26

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Solution

The fourth proportional to 12,128,799.47, 16,739,211.02 and 6,903,078.26 is: 9,527,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,799.47 : 16,739,211.02 = 6,903,078.26 : x
  2. Step 2: Convert to fraction form
    12,128,799.47/16,739,211.02 = 6,903,078.26/x
  3. Step 3: Cross multiply
    12,128,799.47x = 16,739,211.02 × 6,903,078.26
  4. Step 4: Simplify right side
    12,128,799.47x = 115,552,083,563,502.98
  5. Step 5: Solve for x
    x = 115,552,083,563,502.98/12,128,799.47
  6. Step 6: Final answer
    x = 9,527,083.36

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1.5x scale

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.