Home / 12,177,763.61-16,805,334.01-6,671,018.39

Finding the Fourth Proportional to 12,177,763.61, 16,805,334.01 and 6,671,018.39

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Solution

The fourth proportional to 12,177,763.61, 16,805,334.01 and 6,671,018.39 is: 9,206,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,763.61 : 16,805,334.01 = 6,671,018.39 : x
  2. Step 2: Convert to fraction form
    12,177,763.61/16,805,334.01 = 6,671,018.39/x
  3. Step 3: Cross multiply
    12,177,763.61x = 16,805,334.01 × 6,671,018.39
  4. Step 4: Simplify right side
    12,177,763.61x = 112,108,692,130,098.22
  5. Step 5: Solve for x
    x = 112,108,692,130,098.22/12,177,763.61
  6. Step 6: Final answer
    x = 9,206,016.45

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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.