Home / 12,226,485.42-16,887,347.71-8,913,533.06

Finding the Fourth Proportional to 12,226,485.42, 16,887,347.71 and 8,913,533.06

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Solution

The fourth proportional to 12,226,485.42, 16,887,347.71 and 8,913,533.06 is: 12,311,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,485.42 : 16,887,347.71 = 8,913,533.06 : x
  2. Step 2: Convert to fraction form
    12,226,485.42/16,887,347.71 = 8,913,533.06/x
  3. Step 3: Cross multiply
    12,226,485.42x = 16,887,347.71 × 8,913,533.06
  4. Step 4: Simplify right side
    12,226,485.42x = 150,525,932,128,734.81
  5. Step 5: Solve for x
    x = 150,525,932,128,734.81/12,226,485.42
  6. Step 6: Final answer
    x = 12,311,463.76

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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.