Home / 9,989,566.50-13,785,601.30-5,405,888

Finding the Fourth Proportional to 9,989,566.50, 13,785,601.30 and 5,405,888

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Solution

The fourth proportional to 9,989,566.50, 13,785,601.30 and 5,405,888 is: 7,460,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,566.50 : 13,785,601.30 = 5,405,888 : x
  2. Step 2: Convert to fraction form
    9,989,566.50/13,785,601.30 = 5,405,888/x
  3. Step 3: Cross multiply
    9,989,566.50x = 13,785,601.30 × 5,405,888
  4. Step 4: Simplify right side
    9,989,566.50x = 74,523,416,640,454.41
  5. Step 5: Solve for x
    x = 74,523,416,640,454.41/9,989,566.50
  6. Step 6: Final answer
    x = 7,460,125.19

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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.