Home / 12,477,448.63-18,713,343.50-5,649,514.35

Finding the Fourth Proportional to 12,477,448.63, 18,713,343.50 and 5,649,514.35

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Solution

The fourth proportional to 12,477,448.63, 18,713,343.50 and 5,649,514.35 is: 8,472,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,448.63 : 18,713,343.50 = 5,649,514.35 : x
  2. Step 2: Convert to fraction form
    12,477,448.63/18,713,343.50 = 5,649,514.35/x
  3. Step 3: Cross multiply
    12,477,448.63x = 18,713,343.50 × 5,649,514.35
  4. Step 4: Simplify right side
    12,477,448.63x = 105,721,302,546,162.50
  5. Step 5: Solve for x
    x = 105,721,302,546,162.50/12,477,448.63
  6. Step 6: Final answer
    x = 8,472,990.41

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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.