Home / 6,607,264.48-9,909,963.60-2,118,957.28

Finding the Fourth Proportional to 6,607,264.48, 9,909,963.60 and 2,118,957.28

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Solution

The fourth proportional to 6,607,264.48, 9,909,963.60 and 2,118,957.28 is: 3,178,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,264.48 : 9,909,963.60 = 2,118,957.28 : x
  2. Step 2: Convert to fraction form
    6,607,264.48/9,909,963.60 = 2,118,957.28/x
  3. Step 3: Cross multiply
    6,607,264.48x = 9,909,963.60 × 2,118,957.28
  4. Step 4: Simplify right side
    6,607,264.48x = 20,998,789,514,755.00
  5. Step 5: Solve for x
    x = 20,998,789,514,755.00/6,607,264.48
  6. Step 6: Final answer
    x = 3,178,136.67

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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.