Home / 27,600,861-38,089,448.69-15,211,407.58

Finding the Fourth Proportional to 27,600,861, 38,089,448.69 and 15,211,407.58

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Solution

The fourth proportional to 27,600,861, 38,089,448.69 and 15,211,407.58 is: 20,991,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,600,861 : 38,089,448.69 = 15,211,407.58 : x
  2. Step 2: Convert to fraction form
    27,600,861/38,089,448.69 = 15,211,407.58/x
  3. Step 3: Cross multiply
    27,600,861x = 38,089,448.69 × 15,211,407.58
  4. Step 4: Simplify right side
    27,600,861x = 579,394,128,521,087
  5. Step 5: Solve for x
    x = 579,394,128,521,087/27,600,861
  6. Step 6: Final answer
    x = 20,991,886.03

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1.5x scale

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.