Home / 19,806,720.30-29,710,080.45-9,045,040.05

Finding the Fourth Proportional to 19,806,720.30, 29,710,080.45 and 9,045,040.05

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Solution

The fourth proportional to 19,806,720.30, 29,710,080.45 and 9,045,040.05 is: 13,567,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806,720.30 : 29,710,080.45 = 9,045,040.05 : x
  2. Step 2: Convert to fraction form
    19,806,720.30/29,710,080.45 = 9,045,040.05/x
  3. Step 3: Cross multiply
    19,806,720.30x = 29,710,080.45 × 9,045,040.05
  4. Step 4: Simplify right side
    19,806,720.30x = 268,728,867,558,972.03
  5. Step 5: Solve for x
    x = 268,728,867,558,972.03/19,806,720.30
  6. Step 6: Final answer
    x = 13,567,560.08

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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.