Home / 19,998,630.84-27,598,024.71-11,178,069.69

Finding the Fourth Proportional to 19,998,630.84, 27,598,024.71 and 11,178,069.69

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Solution

The fourth proportional to 19,998,630.84, 27,598,024.71 and 11,178,069.69 is: 15,425,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,630.84 : 27,598,024.71 = 11,178,069.69 : x
  2. Step 2: Convert to fraction form
    19,998,630.84/27,598,024.71 = 11,178,069.69/x
  3. Step 3: Cross multiply
    19,998,630.84x = 27,598,024.71 × 11,178,069.69
  4. Step 4: Simplify right side
    19,998,630.84x = 308,492,643,514,722.06
  5. Step 5: Solve for x
    x = 308,492,643,514,722.06/19,998,630.84
  6. Step 6: Final answer
    x = 15,425,688.19

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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.