Home / 30,219,748.74-45,343,007.73-15,839,397.54

Finding the Fourth Proportional to 30,219,748.74, 45,343,007.73 and 15,839,397.54

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Solution

The fourth proportional to 30,219,748.74, 45,343,007.73 and 15,839,397.54 is: 23,766,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219,748.74 : 45,343,007.73 = 15,839,397.54 : x
  2. Step 2: Convert to fraction form
    30,219,748.74/45,343,007.73 = 15,839,397.54/x
  3. Step 3: Cross multiply
    30,219,748.74x = 45,343,007.73 × 15,839,397.54
  4. Step 4: Simplify right side
    30,219,748.74x = 718,205,925,094,762.88
  5. Step 5: Solve for x
    x = 718,205,925,094,762.88/30,219,748.74
  6. Step 6: Final answer
    x = 23,766,111.73

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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.