Home / 19,212,228.48-28,818,336.96-7,242,165.12

Finding the Fourth Proportional to 19,212,228.48, 28,818,336.96 and 7,242,165.12

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Solution

The fourth proportional to 19,212,228.48, 28,818,336.96 and 7,242,165.12 is: 10,863,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212,228.48 : 28,818,336.96 = 7,242,165.12 : x
  2. Step 2: Convert to fraction form
    19,212,228.48/28,818,336.96 = 7,242,165.12/x
  3. Step 3: Cross multiply
    19,212,228.48x = 28,818,336.96 × 7,242,165.12
  4. Step 4: Simplify right side
    19,212,228.48x = 208,707,154,748,118.84
  5. Step 5: Solve for x
    x = 208,707,154,748,118.84/19,212,228.48
  6. Step 6: Final answer
    x = 10,863,245.51

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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.