Home / 7,878,009.63-10,871,642.77-4,256,337.63

Finding the Fourth Proportional to 7,878,009.63, 10,871,642.77 and 4,256,337.63

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Solution

The fourth proportional to 7,878,009.63, 10,871,642.77 and 4,256,337.63 is: 5,873,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,009.63 : 10,871,642.77 = 4,256,337.63 : x
  2. Step 2: Convert to fraction form
    7,878,009.63/10,871,642.77 = 4,256,337.63/x
  3. Step 3: Cross multiply
    7,878,009.63x = 10,871,642.77 × 4,256,337.63
  4. Step 4: Simplify right side
    7,878,009.63x = 46,273,382,211,227.59
  5. Step 5: Solve for x
    x = 46,273,382,211,227.59/7,878,009.63
  6. Step 6: Final answer
    x = 5,873,740.24

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Double scale
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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.