Home / 13,657,084.56-20,487,005.78-4,434,671.45

Finding the Fourth Proportional to 13,657,084.56, 20,487,005.78 and 4,434,671.45

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Solution

The fourth proportional to 13,657,084.56, 20,487,005.78 and 4,434,671.45 is: 6,652,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,084.56 : 20,487,005.78 = 4,434,671.45 : x
  2. Step 2: Convert to fraction form
    13,657,084.56/20,487,005.78 = 4,434,671.45/x
  3. Step 3: Cross multiply
    13,657,084.56x = 20,487,005.78 × 4,434,671.45
  4. Step 4: Simplify right side
    13,657,084.56x = 90,853,139,657,595.12
  5. Step 5: Solve for x
    x = 90,853,139,657,595.12/13,657,084.56
  6. Step 6: Final answer
    x = 6,652,454.94

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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.