Home / 19,152,240.38-28,728,171.25-8,774,515.77

Finding the Fourth Proportional to 19,152,240.38, 28,728,171.25 and 8,774,515.77

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Solution

The fourth proportional to 19,152,240.38, 28,728,171.25 and 8,774,515.77 is: 13,161,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,240.38 : 28,728,171.25 = 8,774,515.77 : x
  2. Step 2: Convert to fraction form
    19,152,240.38/28,728,171.25 = 8,774,515.77/x
  3. Step 3: Cross multiply
    19,152,240.38x = 28,728,171.25 × 8,774,515.77
  4. Step 4: Simplify right side
    19,152,240.38x = 252,075,791,676,385.59
  5. Step 5: Solve for x
    x = 252,075,791,676,385.59/19,152,240.38
  6. Step 6: Final answer
    x = 13,161,686.92

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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.