Home / 14,570,035.71-20,109,281.22-8,690,046.84

Finding the Fourth Proportional to 14,570,035.71, 20,109,281.22 and 8,690,046.84

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Solution

The fourth proportional to 14,570,035.71, 20,109,281.22 and 8,690,046.84 is: 11,993,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,035.71 : 20,109,281.22 = 8,690,046.84 : x
  2. Step 2: Convert to fraction form
    14,570,035.71/20,109,281.22 = 8,690,046.84/x
  3. Step 3: Cross multiply
    14,570,035.71x = 20,109,281.22 × 8,690,046.84
  4. Step 4: Simplify right side
    14,570,035.71x = 174,750,595,720,532.34
  5. Step 5: Solve for x
    x = 174,750,595,720,532.34/14,570,035.71
  6. Step 6: Final answer
    x = 11,993,834.41

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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.