Home / 30,968,820.72-42,724,697.40-17,913,655.44

Finding the Fourth Proportional to 30,968,820.72, 42,724,697.40 and 17,913,655.44

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Solution

The fourth proportional to 30,968,820.72, 42,724,697.40 and 17,913,655.44 is: 24,713,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968,820.72 : 42,724,697.40 = 17,913,655.44 : x
  2. Step 2: Convert to fraction form
    30,968,820.72/42,724,697.40 = 17,913,655.44/x
  3. Step 3: Cross multiply
    30,968,820.72x = 42,724,697.40 × 17,913,655.44
  4. Step 4: Simplify right side
    30,968,820.72x = 765,355,508,001,863.88
  5. Step 5: Solve for x
    x = 765,355,508,001,863.88/30,968,820.72
  6. Step 6: Final answer
    x = 24,713,744.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.