Home / 14,672,630.40-20,249,510.40-8,147,529.60

Finding the Fourth Proportional to 14,672,630.40, 20,249,510.40 and 8,147,529.60

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Solution

The fourth proportional to 14,672,630.40, 20,249,510.40 and 8,147,529.60 is: 11,244,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,630.40 : 20,249,510.40 = 8,147,529.60 : x
  2. Step 2: Convert to fraction form
    14,672,630.40/20,249,510.40 = 8,147,529.60/x
  3. Step 3: Cross multiply
    14,672,630.40x = 20,249,510.40 × 8,147,529.60
  4. Step 4: Simplify right side
    14,672,630.40x = 164,983,485,369,507.81
  5. Step 5: Solve for x
    x = 164,983,485,369,507.81/14,672,630.40
  6. Step 6: Final answer
    x = 11,244,301.86

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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.