Home / 56,753,345.96-85,130,020.07-13,622,549.34

Finding the Fourth Proportional to 56,753,345.96, 85,130,020.07 and 13,622,549.34

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Solution

The fourth proportional to 56,753,345.96, 85,130,020.07 and 13,622,549.34 is: 20,433,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753,345.96 : 85,130,020.07 = 13,622,549.34 : x
  2. Step 2: Convert to fraction form
    56,753,345.96/85,130,020.07 = 13,622,549.34/x
  3. Step 3: Cross multiply
    56,753,345.96x = 85,130,020.07 × 13,622,549.34
  4. Step 4: Simplify right side
    56,753,345.96x = 1,159,687,898,718,765.25
  5. Step 5: Solve for x
    x = 1,159,687,898,718,765.25/56,753,345.96
  6. Step 6: Final answer
    x = 20,433,824.28

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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.