Home / 30,178,518.87-41,643,981.60-17,125,777.74

Finding the Fourth Proportional to 30,178,518.87, 41,643,981.60 and 17,125,777.74

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Solution

The fourth proportional to 30,178,518.87, 41,643,981.60 and 17,125,777.74 is: 23,632,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,518.87 : 41,643,981.60 = 17,125,777.74 : x
  2. Step 2: Convert to fraction form
    30,178,518.87/41,643,981.60 = 17,125,777.74/x
  3. Step 3: Cross multiply
    30,178,518.87x = 41,643,981.60 × 17,125,777.74
  4. Step 4: Simplify right side
    30,178,518.87x = 713,185,573,090,249.50
  5. Step 5: Solve for x
    x = 713,185,573,090,249.50/30,178,518.87
  6. Step 6: Final answer
    x = 23,632,225.83

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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.