Home / 14,012,898.90-21,017,380.05-4,429,246.20

Finding the Fourth Proportional to 14,012,898.90, 21,017,380.05 and 4,429,246.20

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Solution

The fourth proportional to 14,012,898.90, 21,017,380.05 and 4,429,246.20 is: 6,643,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,898.90 : 21,017,380.05 = 4,429,246.20 : x
  2. Step 2: Convert to fraction form
    14,012,898.90/21,017,380.05 = 4,429,246.20/x
  3. Step 3: Cross multiply
    14,012,898.90x = 21,017,380.05 × 4,429,246.20
  4. Step 4: Simplify right side
    14,012,898.90x = 93,091,150,720,418.31
  5. Step 5: Solve for x
    x = 93,091,150,720,418.31/14,012,898.90
  6. Step 6: Final answer
    x = 6,643,247.15

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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.