Home / 13,121,208.20-19,681,812.30-4,598,469.20

Finding the Fourth Proportional to 13,121,208.20, 19,681,812.30 and 4,598,469.20

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Solution

The fourth proportional to 13,121,208.20, 19,681,812.30 and 4,598,469.20 is: 6,897,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,208.20 : 19,681,812.30 = 4,598,469.20 : x
  2. Step 2: Convert to fraction form
    13,121,208.20/19,681,812.30 = 4,598,469.20/x
  3. Step 3: Cross multiply
    13,121,208.20x = 19,681,812.30 × 4,598,469.20
  4. Step 4: Simplify right side
    13,121,208.20x = 90,506,207,661,731.17
  5. Step 5: Solve for x
    x = 90,506,207,661,731.17/13,121,208.20
  6. Step 6: Final answer
    x = 6,897,703.80

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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.