Home / 21,048,984.16-31,577,412.48-6,668,190.40

Finding the Fourth Proportional to 21,048,984.16, 31,577,412.48 and 6,668,190.40

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Solution

The fourth proportional to 21,048,984.16, 31,577,412.48 and 6,668,190.40 is: 10,003,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,984.16 : 31,577,412.48 = 6,668,190.40 : x
  2. Step 2: Convert to fraction form
    21,048,984.16/31,577,412.48 = 6,668,190.40/x
  3. Step 3: Cross multiply
    21,048,984.16x = 31,577,412.48 × 6,668,190.40
  4. Step 4: Simplify right side
    21,048,984.16x = 210,564,198,755,976.22
  5. Step 5: Solve for x
    x = 210,564,198,755,976.22/21,048,984.16
  6. Step 6: Final answer
    x = 10,003,532.58

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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.