Home / 13,122,002.70-19,683,004.05-9,720,780.30

Finding the Fourth Proportional to 13,122,002.70, 19,683,004.05 and 9,720,780.30

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Solution

The fourth proportional to 13,122,002.70, 19,683,004.05 and 9,720,780.30 is: 14,581,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,002.70 : 19,683,004.05 = 9,720,780.30 : x
  2. Step 2: Convert to fraction form
    13,122,002.70/19,683,004.05 = 9,720,780.30/x
  3. Step 3: Cross multiply
    13,122,002.70x = 19,683,004.05 × 9,720,780.30
  4. Step 4: Simplify right side
    13,122,002.70x = 191,334,158,014,060.25
  5. Step 5: Solve for x
    x = 191,334,158,014,060.25/13,122,002.70
  6. Step 6: Final answer
    x = 14,581,170.45

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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.