Home / 38,308,300.95-52,866,571.74-20,905,767.09

Finding the Fourth Proportional to 38,308,300.95, 52,866,571.74 and 20,905,767.09

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Solution

The fourth proportional to 38,308,300.95, 52,866,571.74 and 20,905,767.09 is: 28,850,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,300.95 : 52,866,571.74 = 20,905,767.09 : x
  2. Step 2: Convert to fraction form
    38,308,300.95/52,866,571.74 = 20,905,767.09/x
  3. Step 3: Cross multiply
    38,308,300.95x = 52,866,571.74 × 20,905,767.09
  4. Step 4: Simplify right side
    38,308,300.95x = 1,105,216,235,643,216.12
  5. Step 5: Solve for x
    x = 1,105,216,235,643,216.12/38,308,300.95
  6. Step 6: Final answer
    x = 28,850,567.85

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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.