Home / 14,512,668.84-20,026,980.95-7,985,688.03

Finding the Fourth Proportional to 14,512,668.84, 20,026,980.95 and 7,985,688.03

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Solution

The fourth proportional to 14,512,668.84, 20,026,980.95 and 7,985,688.03 is: 11,019,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512,668.84 : 20,026,980.95 = 7,985,688.03 : x
  2. Step 2: Convert to fraction form
    14,512,668.84/20,026,980.95 = 7,985,688.03/x
  3. Step 3: Cross multiply
    14,512,668.84x = 20,026,980.95 × 7,985,688.03
  4. Step 4: Simplify right side
    14,512,668.84x = 159,929,222,009,524.59
  5. Step 5: Solve for x
    x = 159,929,222,009,524.59/14,512,668.84
  6. Step 6: Final answer
    x = 11,019,973.22

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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.