Home / 7,876,612.08-10,871,747.16-5,130,143.52

Finding the Fourth Proportional to 7,876,612.08, 10,871,747.16 and 5,130,143.52

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Solution

The fourth proportional to 7,876,612.08, 10,871,747.16 and 5,130,143.52 is: 7,080,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,612.08 : 10,871,747.16 = 5,130,143.52 : x
  2. Step 2: Convert to fraction form
    7,876,612.08/10,871,747.16 = 5,130,143.52/x
  3. Step 3: Cross multiply
    7,876,612.08x = 10,871,747.16 × 5,130,143.52
  4. Step 4: Simplify right side
    7,876,612.08x = 55,773,623,243,952.40
  5. Step 5: Solve for x
    x = 55,773,623,243,952.40/7,876,612.08
  6. Step 6: Final answer
    x = 7,080,915.33

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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.