Home / 19,178,110.99-28,766,969.65-11,085,937.61

Finding the Fourth Proportional to 19,178,110.99, 28,766,969.65 and 11,085,937.61

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Solution

The fourth proportional to 19,178,110.99, 28,766,969.65 and 11,085,937.61 is: 16,628,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,110.99 : 28,766,969.65 = 11,085,937.61 : x
  2. Step 2: Convert to fraction form
    19,178,110.99/28,766,969.65 = 11,085,937.61/x
  3. Step 3: Cross multiply
    19,178,110.99x = 28,766,969.65 × 11,085,937.61
  4. Step 4: Simplify right side
    19,178,110.99x = 318,908,830,812,866.12
  5. Step 5: Solve for x
    x = 318,908,830,812,866.12/19,178,110.99
  6. Step 6: Final answer
    x = 16,628,792.64

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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.