Home / 19,988,130.84-27,583,682.67-10,820,751.72

Finding the Fourth Proportional to 19,988,130.84, 27,583,682.67 and 10,820,751.72

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Solution

The fourth proportional to 19,988,130.84, 27,583,682.67 and 10,820,751.72 is: 14,932,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,130.84 : 27,583,682.67 = 10,820,751.72 : x
  2. Step 2: Convert to fraction form
    19,988,130.84/27,583,682.67 = 10,820,751.72/x
  3. Step 3: Cross multiply
    19,988,130.84x = 27,583,682.67 × 10,820,751.72
  4. Step 4: Simplify right side
    19,988,130.84x = 298,476,181,695,336.75
  5. Step 5: Solve for x
    x = 298,476,181,695,336.75/19,988,130.84
  6. Step 6: Final answer
    x = 14,932,671.00

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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.