Home / 12,623,747.02-18,908,218.10-7,751,263.43

Finding the Fourth Proportional to 12,623,747.02, 18,908,218.10 and 7,751,263.43

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Solution

The fourth proportional to 12,623,747.02, 18,908,218.10 and 7,751,263.43 is: 11,610,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,747.02 : 18,908,218.10 = 7,751,263.43 : x
  2. Step 2: Convert to fraction form
    12,623,747.02/18,908,218.10 = 7,751,263.43/x
  3. Step 3: Cross multiply
    12,623,747.02x = 18,908,218.10 × 7,751,263.43
  4. Step 4: Simplify right side
    12,623,747.02x = 146,562,579,409,831.12
  5. Step 5: Solve for x
    x = 146,562,579,409,831.12/12,623,747.02
  6. Step 6: Final answer
    x = 11,610,069.44

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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.