Home / 12,747,014.93-17,590,330.73-7,240,372.76

Finding the Fourth Proportional to 12,747,014.93, 17,590,330.73 and 7,240,372.76

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Solution

The fourth proportional to 12,747,014.93, 17,590,330.73 and 7,240,372.76 is: 9,991,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,014.93 : 17,590,330.73 = 7,240,372.76 : x
  2. Step 2: Convert to fraction form
    12,747,014.93/17,590,330.73 = 7,240,372.76/x
  3. Step 3: Cross multiply
    12,747,014.93x = 17,590,330.73 × 7,240,372.76
  4. Step 4: Simplify right side
    12,747,014.93x = 127,360,551,332,729.41
  5. Step 5: Solve for x
    x = 127,360,551,332,729.41/12,747,014.93
  6. Step 6: Final answer
    x = 9,991,402.07

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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.