Home / 18,402,047.20-27,611,365.20-8,813,720.80

Finding the Fourth Proportional to 18,402,047.20, 27,611,365.20 and 8,813,720.80

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Solution

The fourth proportional to 18,402,047.20, 27,611,365.20 and 8,813,720.80 is: 13,224,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,047.20 : 27,611,365.20 = 8,813,720.80 : x
  2. Step 2: Convert to fraction form
    18,402,047.20/27,611,365.20 = 8,813,720.80/x
  3. Step 3: Cross multiply
    18,402,047.20x = 27,611,365.20 × 8,813,720.80
  4. Step 4: Simplify right side
    18,402,047.20x = 243,358,863,779,636.19
  5. Step 5: Solve for x
    x = 243,358,863,779,636.19/18,402,047.20
  6. Step 6: Final answer
    x = 13,224,553.83

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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.