Home / 10,638,020.40-15,968,840.40-6,599,068.80

Finding the Fourth Proportional to 10,638,020.40, 15,968,840.40 and 6,599,068.80

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Solution

The fourth proportional to 10,638,020.40, 15,968,840.40 and 6,599,068.80 is: 9,905,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,020.40 : 15,968,840.40 = 6,599,068.80 : x
  2. Step 2: Convert to fraction form
    10,638,020.40/15,968,840.40 = 6,599,068.80/x
  3. Step 3: Cross multiply
    10,638,020.40x = 15,968,840.40 × 6,599,068.80
  4. Step 4: Simplify right side
    10,638,020.40x = 105,379,476,455,819.52
  5. Step 5: Solve for x
    x = 105,379,476,455,819.52/10,638,020.40
  6. Step 6: Final answer
    x = 9,905,929.16

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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.