Home / 20,740,439.40-31,110,659.10-14,357,898.60

Finding the Fourth Proportional to 20,740,439.40, 31,110,659.10 and 14,357,898.60

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Solution

The fourth proportional to 20,740,439.40, 31,110,659.10 and 14,357,898.60 is: 21,536,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,439.40 : 31,110,659.10 = 14,357,898.60 : x
  2. Step 2: Convert to fraction form
    20,740,439.40/31,110,659.10 = 14,357,898.60/x
  3. Step 3: Cross multiply
    20,740,439.40x = 31,110,659.10 × 14,357,898.60
  4. Step 4: Simplify right side
    20,740,439.40x = 446,683,688,736,967.25
  5. Step 5: Solve for x
    x = 446,683,688,736,967.25/20,740,439.40
  6. Step 6: Final answer
    x = 21,536,847.90

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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.