Home / 11,871,718.16-16,382,971.72-6,714,968.72

Finding the Fourth Proportional to 11,871,718.16, 16,382,971.72 and 6,714,968.72

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Solution

The fourth proportional to 11,871,718.16, 16,382,971.72 and 6,714,968.72 is: 9,266,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,718.16 : 16,382,971.72 = 6,714,968.72 : x
  2. Step 2: Convert to fraction form
    11,871,718.16/16,382,971.72 = 6,714,968.72/x
  3. Step 3: Cross multiply
    11,871,718.16x = 16,382,971.72 × 6,714,968.72
  4. Step 4: Simplify right side
    11,871,718.16x = 110,011,142,640,444.59
  5. Step 5: Solve for x
    x = 110,011,142,640,444.59/11,871,718.16
  6. Step 6: Final answer
    x = 9,266,657.21

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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.