Home / 19,211,707.50-26,512,365.69-10,509,693.27

Finding the Fourth Proportional to 19,211,707.50, 26,512,365.69 and 10,509,693.27

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Solution

The fourth proportional to 19,211,707.50, 26,512,365.69 and 10,509,693.27 is: 14,503,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,707.50 : 26,512,365.69 = 10,509,693.27 : x
  2. Step 2: Convert to fraction form
    19,211,707.50/26,512,365.69 = 10,509,693.27/x
  3. Step 3: Cross multiply
    19,211,707.50x = 26,512,365.69 × 10,509,693.27
  4. Step 4: Simplify right side
    19,211,707.50x = 278,636,831,263,971.91
  5. Step 5: Solve for x
    x = 278,636,831,263,971.91/19,211,707.50
  6. Step 6: Final answer
    x = 14,503,491.23

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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.