Home / 12,238,158.74-16,888,977.51-6,731,675.42

Finding the Fourth Proportional to 12,238,158.74, 16,888,977.51 and 6,731,675.42

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Solution

The fourth proportional to 12,238,158.74, 16,888,977.51 and 6,731,675.42 is: 9,289,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,158.74 : 16,888,977.51 = 6,731,675.42 : x
  2. Step 2: Convert to fraction form
    12,238,158.74/16,888,977.51 = 6,731,675.42/x
  3. Step 3: Cross multiply
    12,238,158.74x = 16,888,977.51 × 6,731,675.42
  4. Step 4: Simplify right side
    12,238,158.74x = 113,691,114,772,999.81
  5. Step 5: Solve for x
    x = 113,691,114,772,999.81/12,238,158.74
  6. Step 6: Final answer
    x = 9,289,887.24

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1.5x scale

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.