Home / 13,428,625.37-20,148,890.74-7,037,357.63

Finding the Fourth Proportional to 13,428,625.37, 20,148,890.74 and 7,037,357.63

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Solution

The fourth proportional to 13,428,625.37, 20,148,890.74 and 7,037,357.63 is: 10,559,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,625.37 : 20,148,890.74 = 7,037,357.63 : x
  2. Step 2: Convert to fraction form
    13,428,625.37/20,148,890.74 = 7,037,357.63/x
  3. Step 3: Cross multiply
    13,428,625.37x = 20,148,890.74 × 7,037,357.63
  4. Step 4: Simplify right side
    13,428,625.37x = 141,794,949,985,175.34
  5. Step 5: Solve for x
    x = 141,794,949,985,175.34/13,428,625.37
  6. Step 6: Final answer
    x = 10,559,155.99

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1.5x scale

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.