Home / 14,041,803.60-21,062,705.40-12,447,480.60

Finding the Fourth Proportional to 14,041,803.60, 21,062,705.40 and 12,447,480.60

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Solution

The fourth proportional to 14,041,803.60, 21,062,705.40 and 12,447,480.60 is: 18,671,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041,803.60 : 21,062,705.40 = 12,447,480.60 : x
  2. Step 2: Convert to fraction form
    14,041,803.60/21,062,705.40 = 12,447,480.60/x
  3. Step 3: Cross multiply
    14,041,803.60x = 21,062,705.40 × 12,447,480.60
  4. Step 4: Simplify right side
    14,041,803.60x = 262,177,616,850,015.22
  5. Step 5: Solve for x
    x = 262,177,616,850,015.22/14,041,803.60
  6. Step 6: Final answer
    x = 18,671,220.90

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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.