Home / 21,778,971.38-32,668,235.63-5,604,859.79

Finding the Fourth Proportional to 21,778,971.38, 32,668,235.63 and 5,604,859.79

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Solution

The fourth proportional to 21,778,971.38, 32,668,235.63 and 5,604,859.79 is: 8,407,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778,971.38 : 32,668,235.63 = 5,604,859.79 : x
  2. Step 2: Convert to fraction form
    21,778,971.38/32,668,235.63 = 5,604,859.79/x
  3. Step 3: Cross multiply
    21,778,971.38x = 32,668,235.63 × 5,604,859.79
  4. Step 4: Simplify right side
    21,778,971.38x = 183,100,880,101,466.84
  5. Step 5: Solve for x
    x = 183,100,880,101,466.84/21,778,971.38
  6. Step 6: Final answer
    x = 8,407,232.69

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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.