Home / 18,219,141.60-27,328,712.40-4,755,969.60

Finding the Fourth Proportional to 18,219,141.60, 27,328,712.40 and 4,755,969.60

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Solution

The fourth proportional to 18,219,141.60, 27,328,712.40 and 4,755,969.60 is: 7,133,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,141.60 : 27,328,712.40 = 4,755,969.60 : x
  2. Step 2: Convert to fraction form
    18,219,141.60/27,328,712.40 = 4,755,969.60/x
  3. Step 3: Cross multiply
    18,219,141.60x = 27,328,712.40 × 4,755,969.60
  4. Step 4: Simplify right side
    18,219,141.60x = 129,974,525,381,543.02
  5. Step 5: Solve for x
    x = 129,974,525,381,543.02/18,219,141.60
  6. Step 6: Final answer
    x = 7,133,954.40

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1.5x scale

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.