Home / 7,623,971.43-10,521,080.63-4,186,212.48

Finding the Fourth Proportional to 7,623,971.43, 10,521,080.63 and 4,186,212.48

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Solution

The fourth proportional to 7,623,971.43, 10,521,080.63 and 4,186,212.48 is: 5,776,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,971.43 : 10,521,080.63 = 4,186,212.48 : x
  2. Step 2: Convert to fraction form
    7,623,971.43/10,521,080.63 = 4,186,212.48/x
  3. Step 3: Cross multiply
    7,623,971.43x = 10,521,080.63 × 4,186,212.48
  4. Step 4: Simplify right side
    7,623,971.43x = 44,043,479,015,461.20
  5. Step 5: Solve for x
    x = 44,043,479,015,461.20/7,623,971.43
  6. Step 6: Final answer
    x = 5,776,973.25

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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.