Home / 7,876,597.20-10,871,726.58-5,130,128.58

Finding the Fourth Proportional to 7,876,597.20, 10,871,726.58 and 5,130,128.58

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Solution

The fourth proportional to 7,876,597.20, 10,871,726.58 and 5,130,128.58 is: 7,080,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,597.20 : 10,871,726.58 = 5,130,128.58 : x
  2. Step 2: Convert to fraction form
    7,876,597.20/10,871,726.58 = 5,130,128.58/x
  3. Step 3: Cross multiply
    7,876,597.20x = 10,871,726.58 × 5,130,128.58
  4. Step 4: Simplify right side
    7,876,597.20x = 55,773,355,242,003.66
  5. Step 5: Solve for x
    x = 55,773,355,242,003.66/7,876,597.20
  6. Step 6: Final answer
    x = 7,080,894.68

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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.