Home / 19,211,681.53-26,512,329.77-10,509,667.32

Finding the Fourth Proportional to 19,211,681.53, 26,512,329.77 and 10,509,667.32

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Solution

The fourth proportional to 19,211,681.53, 26,512,329.77 and 10,509,667.32 is: 14,503,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,681.53 : 26,512,329.77 = 10,509,667.32 : x
  2. Step 2: Convert to fraction form
    19,211,681.53/26,512,329.77 = 10,509,667.32/x
  3. Step 3: Cross multiply
    19,211,681.53x = 26,512,329.77 × 10,509,667.32
  4. Step 4: Simplify right side
    19,211,681.53x = 278,635,765,760,832.12
  5. Step 5: Solve for x
    x = 278,635,765,760,832.12/19,211,681.53
  6. Step 6: Final answer
    x = 14,503,455.38

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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.