Home / 12,009,123.66-16,571,934.20-7,046,896.90

Finding the Fourth Proportional to 12,009,123.66, 16,571,934.20 and 7,046,896.90

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Solution

The fourth proportional to 12,009,123.66, 16,571,934.20 and 7,046,896.90 is: 9,724,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,123.66 : 16,571,934.20 = 7,046,896.90 : x
  2. Step 2: Convert to fraction form
    12,009,123.66/16,571,934.20 = 7,046,896.90/x
  3. Step 3: Cross multiply
    12,009,123.66x = 16,571,934.20 × 7,046,896.90
  4. Step 4: Simplify right side
    12,009,123.66x = 116,780,711,740,983.98
  5. Step 5: Solve for x
    x = 116,780,711,740,983.98/12,009,123.66
  6. Step 6: Final answer
    x = 9,724,332.52

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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.