Home / 14,200,672.20-21,315,005.10-7,020,313.80

Finding the Fourth Proportional to 14,200,672.20, 21,315,005.10 and 7,020,313.80

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Solution

The fourth proportional to 14,200,672.20, 21,315,005.10 and 7,020,313.80 is: 10,537,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,672.20 : 21,315,005.10 = 7,020,313.80 : x
  2. Step 2: Convert to fraction form
    14,200,672.20/21,315,005.10 = 7,020,313.80/x
  3. Step 3: Cross multiply
    14,200,672.20x = 21,315,005.10 × 7,020,313.80
  4. Step 4: Simplify right side
    14,200,672.20x = 149,638,024,450,600.38
  5. Step 5: Solve for x
    x = 149,638,024,450,600.38/14,200,672.20
  6. Step 6: Final answer
    x = 10,537,390.23

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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.