Home / 13,353,406.10-20,030,109.15-8,729,869.40

Finding the Fourth Proportional to 13,353,406.10, 20,030,109.15 and 8,729,869.40

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Solution

The fourth proportional to 13,353,406.10, 20,030,109.15 and 8,729,869.40 is: 13,094,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,406.10 : 20,030,109.15 = 8,729,869.40 : x
  2. Step 2: Convert to fraction form
    13,353,406.10/20,030,109.15 = 8,729,869.40/x
  3. Step 3: Cross multiply
    13,353,406.10x = 20,030,109.15 × 8,729,869.40
  4. Step 4: Simplify right side
    13,353,406.10x = 174,860,236,947,245
  5. Step 5: Solve for x
    x = 174,860,236,947,245/13,353,406.10
  6. Step 6: Final answer
    x = 13,094,804.10

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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.