Home / 8,578,486.10-12,867,729.15-2,898,628.40

Finding the Fourth Proportional to 8,578,486.10, 12,867,729.15 and 2,898,628.40

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Solution

The fourth proportional to 8,578,486.10, 12,867,729.15 and 2,898,628.40 is: 4,347,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,486.10 : 12,867,729.15 = 2,898,628.40 : x
  2. Step 2: Convert to fraction form
    8,578,486.10/12,867,729.15 = 2,898,628.40/x
  3. Step 3: Cross multiply
    8,578,486.10x = 12,867,729.15 × 2,898,628.40
  4. Step 4: Simplify right side
    8,578,486.10x = 37,298,765,157,697.86
  5. Step 5: Solve for x
    x = 37,298,765,157,697.86/8,578,486.10
  6. Step 6: Final answer
    x = 4,347,942.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.