Home / 19,426,136.49-26,807,364.23-10,724,121.81

Finding the Fourth Proportional to 19,426,136.49, 26,807,364.23 and 10,724,121.81

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Solution

The fourth proportional to 19,426,136.49, 26,807,364.23 and 10,724,121.81 is: 14,798,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,136.49 : 26,807,364.23 = 10,724,121.81 : x
  2. Step 2: Convert to fraction form
    19,426,136.49/26,807,364.23 = 10,724,121.81/x
  3. Step 3: Cross multiply
    19,426,136.49x = 26,807,364.23 × 10,724,121.81
  4. Step 4: Simplify right side
    19,426,136.49x = 287,485,439,407,556.88
  5. Step 5: Solve for x
    x = 287,485,439,407,556.88/19,426,136.49
  6. Step 6: Final answer
    x = 14,798,899.39

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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.