Home / 19,191,775.55-28,813,201.81-10,100,257.63

Finding the Fourth Proportional to 19,191,775.55, 28,813,201.81 and 10,100,257.63

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Solution

The fourth proportional to 19,191,775.55, 28,813,201.81 and 10,100,257.63 is: 15,163,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,775.55 : 28,813,201.81 = 10,100,257.63 : x
  2. Step 2: Convert to fraction form
    19,191,775.55/28,813,201.81 = 10,100,257.63/x
  3. Step 3: Cross multiply
    19,191,775.55x = 28,813,201.81 × 10,100,257.63
  4. Step 4: Simplify right side
    19,191,775.55x = 291,020,761,375,681.06
  5. Step 5: Solve for x
    x = 291,020,761,375,681.06/19,191,775.55
  6. Step 6: Final answer
    x = 15,163,826.85

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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.