Home / 18,759,828.30-25,889,027.67-10,499,820.90

Finding the Fourth Proportional to 18,759,828.30, 25,889,027.67 and 10,499,820.90

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Solution

The fourth proportional to 18,759,828.30, 25,889,027.67 and 10,499,820.90 is: 14,490,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,828.30 : 25,889,027.67 = 10,499,820.90 : x
  2. Step 2: Convert to fraction form
    18,759,828.30/25,889,027.67 = 10,499,820.90/x
  3. Step 3: Cross multiply
    18,759,828.30x = 25,889,027.67 × 10,499,820.90
  4. Step 4: Simplify right side
    18,759,828.30x = 271,830,153,810,144.34
  5. Step 5: Solve for x
    x = 271,830,153,810,144.34/18,759,828.30
  6. Step 6: Final answer
    x = 14,490,012.89

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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.