Home / 19,171,152.72-28,756,983.29-6,391,661.51

Finding the Fourth Proportional to 19,171,152.72, 28,756,983.29 and 6,391,661.51

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Solution

The fourth proportional to 19,171,152.72, 28,756,983.29 and 6,391,661.51 is: 9,587,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,152.72 : 28,756,983.29 = 6,391,661.51 : x
  2. Step 2: Convert to fraction form
    19,171,152.72/28,756,983.29 = 6,391,661.51/x
  3. Step 3: Cross multiply
    19,171,152.72x = 28,756,983.29 × 6,391,661.51
  4. Step 4: Simplify right side
    19,171,152.72x = 183,804,903,278,340.31
  5. Step 5: Solve for x
    x = 183,804,903,278,340.31/19,171,152.72
  6. Step 6: Final answer
    x = 9,587,577.02

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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.