Home / 13,457,430.20-20,186,145.30-9,843,631.40

Finding the Fourth Proportional to 13,457,430.20, 20,186,145.30 and 9,843,631.40

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Solution

The fourth proportional to 13,457,430.20, 20,186,145.30 and 9,843,631.40 is: 14,765,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,430.20 : 20,186,145.30 = 9,843,631.40 : x
  2. Step 2: Convert to fraction form
    13,457,430.20/20,186,145.30 = 9,843,631.40/x
  3. Step 3: Cross multiply
    13,457,430.20x = 20,186,145.30 × 9,843,631.40
  4. Step 4: Simplify right side
    13,457,430.20x = 198,704,973,720,042.44
  5. Step 5: Solve for x
    x = 198,704,973,720,042.44/13,457,430.20
  6. Step 6: Final answer
    x = 14,765,447.10

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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.