Home / 9,989,525.40-13,785,545.10-5,405,846.52

Finding the Fourth Proportional to 9,989,525.40, 13,785,545.10 and 5,405,846.52

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Solution

The fourth proportional to 9,989,525.40, 13,785,545.10 and 5,405,846.52 is: 7,460,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,525.40 : 13,785,545.10 = 5,405,846.52 : x
  2. Step 2: Convert to fraction form
    9,989,525.40/13,785,545.10 = 5,405,846.52/x
  3. Step 3: Cross multiply
    9,989,525.40x = 13,785,545.10 × 5,405,846.52
  4. Step 4: Simplify right side
    9,989,525.40x = 74,522,541,005,138.05
  5. Step 5: Solve for x
    x = 74,522,541,005,138.05/9,989,525.40
  6. Step 6: Final answer
    x = 7,460,068.22

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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.