Home / 7,878,014.88-10,871,650-4,256,342.88

Finding the Fourth Proportional to 7,878,014.88, 10,871,650 and 4,256,342.88

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Solution

The fourth proportional to 7,878,014.88, 10,871,650 and 4,256,342.88 is: 5,873,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,014.88 : 10,871,650 = 4,256,342.88 : x
  2. Step 2: Convert to fraction form
    7,878,014.88/10,871,650 = 4,256,342.88/x
  3. Step 3: Cross multiply
    7,878,014.88x = 10,871,650 × 4,256,342.88
  4. Step 4: Simplify right side
    7,878,014.88x = 46,273,470,071,352
  5. Step 5: Solve for x
    x = 46,273,470,071,352/7,878,014.88
  6. Step 6: Final answer
    x = 5,873,747.48

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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.