Home / 13,341,883.80-18,413,774.10-8,447,560.86

Finding the Fourth Proportional to 13,341,883.80, 18,413,774.10 and 8,447,560.86

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Solution

The fourth proportional to 13,341,883.80, 18,413,774.10 and 8,447,560.86 is: 11,658,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,883.80 : 18,413,774.10 = 8,447,560.86 : x
  2. Step 2: Convert to fraction form
    13,341,883.80/18,413,774.10 = 8,447,560.86/x
  3. Step 3: Cross multiply
    13,341,883.80x = 18,413,774.10 × 8,447,560.86
  4. Step 4: Simplify right side
    13,341,883.80x = 155,551,477,372,041.72
  5. Step 5: Solve for x
    x = 155,551,477,372,041.72/13,341,883.80
  6. Step 6: Final answer
    x = 11,658,884.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.