Home / 7,875,925.47-10,867,796.60-4,390,408.80

Finding the Fourth Proportional to 7,875,925.47, 10,867,796.60 and 4,390,408.80

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Solution

The fourth proportional to 7,875,925.47, 10,867,796.60 and 4,390,408.80 is: 6,058,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,925.47 : 10,867,796.60 = 4,390,408.80 : x
  2. Step 2: Convert to fraction form
    7,875,925.47/10,867,796.60 = 4,390,408.80/x
  3. Step 3: Cross multiply
    7,875,925.47x = 10,867,796.60 × 4,390,408.80
  4. Step 4: Simplify right side
    7,875,925.47x = 47,714,069,807,298.04
  5. Step 5: Solve for x
    x = 47,714,069,807,298.04/7,875,925.47
  6. Step 6: Final answer
    x = 6,058,217.54

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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.