Home / 9,220,840.54-12,724,700.47-5,091,129.05

Finding the Fourth Proportional to 9,220,840.54, 12,724,700.47 and 5,091,129.05

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Solution

The fourth proportional to 9,220,840.54, 12,724,700.47 and 5,091,129.05 is: 7,025,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,840.54 : 12,724,700.47 = 5,091,129.05 : x
  2. Step 2: Convert to fraction form
    9,220,840.54/12,724,700.47 = 5,091,129.05/x
  3. Step 3: Cross multiply
    9,220,840.54x = 12,724,700.47 × 5,091,129.05
  4. Step 4: Simplify right side
    9,220,840.54x = 64,783,092,139,014.32
  5. Step 5: Solve for x
    x = 64,783,092,139,014.32/9,220,840.54
  6. Step 6: Final answer
    x = 7,025,725.24

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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.