Home / 12,141,123.86-16,754,794.44-6,634,498.70

Finding the Fourth Proportional to 12,141,123.86, 16,754,794.44 and 6,634,498.70

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Solution

The fourth proportional to 12,141,123.86, 16,754,794.44 and 6,634,498.70 is: 9,155,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,123.86 : 16,754,794.44 = 6,634,498.70 : x
  2. Step 2: Convert to fraction form
    12,141,123.86/16,754,794.44 = 6,634,498.70/x
  3. Step 3: Cross multiply
    12,141,123.86x = 16,754,794.44 × 6,634,498.70
  4. Step 4: Simplify right side
    12,141,123.86x = 111,159,661,930,947.23
  5. Step 5: Solve for x
    x = 111,159,661,930,947.23/12,141,123.86
  6. Step 6: Final answer
    x = 9,155,631.98

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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.