Home / 28,905,155.48-43,357,687.02-15,950,679.64

Finding the Fourth Proportional to 28,905,155.48, 43,357,687.02 and 15,950,679.64

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Solution

The fourth proportional to 28,905,155.48, 43,357,687.02 and 15,950,679.64 is: 23,925,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,155.48 : 43,357,687.02 = 15,950,679.64 : x
  2. Step 2: Convert to fraction form
    28,905,155.48/43,357,687.02 = 15,950,679.64/x
  3. Step 3: Cross multiply
    28,905,155.48x = 43,357,687.02 × 15,950,679.64
  4. Step 4: Simplify right side
    28,905,155.48x = 691,584,575,587,406.38
  5. Step 5: Solve for x
    x = 691,584,575,587,406.38/28,905,155.48
  6. Step 6: Final answer
    x = 23,925,993.97

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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.