Home / 12,468,624.60-18,671,444.10-8,185,603.80

Finding the Fourth Proportional to 12,468,624.60, 18,671,444.10 and 8,185,603.80

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Solution

The fourth proportional to 12,468,624.60, 18,671,444.10 and 8,185,603.80 is: 12,257,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,624.60 : 18,671,444.10 = 8,185,603.80 : x
  2. Step 2: Convert to fraction form
    12,468,624.60/18,671,444.10 = 8,185,603.80/x
  3. Step 3: Cross multiply
    12,468,624.60x = 18,671,444.10 × 8,185,603.80
  4. Step 4: Simplify right side
    12,468,624.60x = 152,837,043,776,447.59
  5. Step 5: Solve for x
    x = 152,837,043,776,447.59/12,468,624.60
  6. Step 6: Final answer
    x = 12,257,730.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.