Home / 30,402,013.60-45,628,825.20-12,463,991.20

Finding the Fourth Proportional to 30,402,013.60, 45,628,825.20 and 12,463,991.20

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Solution

The fourth proportional to 30,402,013.60, 45,628,825.20 and 12,463,991.20 is: 18,706,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,013.60 : 45,628,825.20 = 12,463,991.20 : x
  2. Step 2: Convert to fraction form
    30,402,013.60/45,628,825.20 = 12,463,991.20/x
  3. Step 3: Cross multiply
    30,402,013.60x = 45,628,825.20 × 12,463,991.20
  4. Step 4: Simplify right side
    30,402,013.60x = 568,717,275,759,138.25
  5. Step 5: Solve for x
    x = 568,717,275,759,138.25/30,402,013.60
  6. Step 6: Final answer
    x = 18,706,566.06

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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.