Home / 13,742,760.30-20,614,140.45-12,420,062.70

Finding the Fourth Proportional to 13,742,760.30, 20,614,140.45 and 12,420,062.70

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Solution

The fourth proportional to 13,742,760.30, 20,614,140.45 and 12,420,062.70 is: 18,630,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,760.30 : 20,614,140.45 = 12,420,062.70 : x
  2. Step 2: Convert to fraction form
    13,742,760.30/20,614,140.45 = 12,420,062.70/x
  3. Step 3: Cross multiply
    13,742,760.30x = 20,614,140.45 × 12,420,062.70
  4. Step 4: Simplify right side
    13,742,760.30x = 256,028,916,895,606.19
  5. Step 5: Solve for x
    x = 256,028,916,895,606.19/13,742,760.30
  6. Step 6: Final answer
    x = 18,630,094.05

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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.