Home / 12,186,655.47-16,807,778.40-10,713,414.03

Finding the Fourth Proportional to 12,186,655.47, 16,807,778.40 and 10,713,414.03

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Solution

The fourth proportional to 12,186,655.47, 16,807,778.40 and 10,713,414.03 is: 14,775,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,655.47 : 16,807,778.40 = 10,713,414.03 : x
  2. Step 2: Convert to fraction form
    12,186,655.47/16,807,778.40 = 10,713,414.03/x
  3. Step 3: Cross multiply
    12,186,655.47x = 16,807,778.40 × 10,713,414.03
  4. Step 4: Simplify right side
    12,186,655.47x = 180,068,688,923,690.94
  5. Step 5: Solve for x
    x = 180,068,688,923,690.94/12,186,655.47
  6. Step 6: Final answer
    x = 14,775,890.68

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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.