Home / 14,200,465.20-21,314,694.60-7,020,106.80

Finding the Fourth Proportional to 14,200,465.20, 21,314,694.60 and 7,020,106.80

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Solution

The fourth proportional to 14,200,465.20, 21,314,694.60 and 7,020,106.80 is: 10,537,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,465.20 : 21,314,694.60 = 7,020,106.80 : x
  2. Step 2: Convert to fraction form
    14,200,465.20/21,314,694.60 = 7,020,106.80/x
  3. Step 3: Cross multiply
    14,200,465.20x = 21,314,694.60 × 7,020,106.80
  4. Step 4: Simplify right side
    14,200,465.20x = 149,631,432,501,383.28
  5. Step 5: Solve for x
    x = 149,631,432,501,383.28/14,200,465.20
  6. Step 6: Final answer
    x = 10,537,079.62

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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.