Home / 13,913,046.60-20,878,901.10-8,227,235.40

Finding the Fourth Proportional to 13,913,046.60, 20,878,901.10 and 8,227,235.40

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Solution

The fourth proportional to 13,913,046.60, 20,878,901.10 and 8,227,235.40 is: 12,346,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,046.60 : 20,878,901.10 = 8,227,235.40 : x
  2. Step 2: Convert to fraction form
    13,913,046.60/20,878,901.10 = 8,227,235.40/x
  3. Step 3: Cross multiply
    13,913,046.60x = 20,878,901.10 × 8,227,235.40
  4. Step 4: Simplify right side
    13,913,046.60x = 171,775,634,243,018.97
  5. Step 5: Solve for x
    x = 171,775,634,243,018.97/13,913,046.60
  6. Step 6: Final answer
    x = 12,346,370.94

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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.