Home / 13,871,520.63-19,142,670.74-7,759,949.13

Finding the Fourth Proportional to 13,871,520.63, 19,142,670.74 and 7,759,949.13

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Solution

The fourth proportional to 13,871,520.63, 19,142,670.74 and 7,759,949.13 is: 10,708,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,520.63 : 19,142,670.74 = 7,759,949.13 : x
  2. Step 2: Convert to fraction form
    13,871,520.63/19,142,670.74 = 7,759,949.13/x
  3. Step 3: Cross multiply
    13,871,520.63x = 19,142,670.74 × 7,759,949.13
  4. Step 4: Simplify right side
    13,871,520.63x = 148,546,151,115,939.72
  5. Step 5: Solve for x
    x = 148,546,151,115,939.72/13,871,520.63
  6. Step 6: Final answer
    x = 10,708,714.28

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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.