Home / 13,179,008.40-19,729,805.40-9,828,070.80

Finding the Fourth Proportional to 13,179,008.40, 19,729,805.40 and 9,828,070.80

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Solution

The fourth proportional to 13,179,008.40, 19,729,805.40 and 9,828,070.80 is: 14,713,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179,008.40 : 19,729,805.40 = 9,828,070.80 : x
  2. Step 2: Convert to fraction form
    13,179,008.40/19,729,805.40 = 9,828,070.80/x
  3. Step 3: Cross multiply
    13,179,008.40x = 19,729,805.40 × 9,828,070.80
  4. Step 4: Simplify right side
    13,179,008.40x = 193,905,924,341,422.31
  5. Step 5: Solve for x
    x = 193,905,924,341,422.31/13,179,008.40
  6. Step 6: Final answer
    x = 14,713,240.82

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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.