Home / 13,353,341.20-20,030,011.80-9,314,389.60

Finding the Fourth Proportional to 13,353,341.20, 20,030,011.80 and 9,314,389.60

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Solution

The fourth proportional to 13,353,341.20, 20,030,011.80 and 9,314,389.60 is: 13,971,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,341.20 : 20,030,011.80 = 9,314,389.60 : x
  2. Step 2: Convert to fraction form
    13,353,341.20/20,030,011.80 = 9,314,389.60/x
  3. Step 3: Cross multiply
    13,353,341.20x = 20,030,011.80 × 9,314,389.60
  4. Step 4: Simplify right side
    13,353,341.20x = 186,567,333,597,797.28
  5. Step 5: Solve for x
    x = 186,567,333,597,797.28/13,353,341.20
  6. Step 6: Final answer
    x = 13,971,584.40

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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.