Home / 12,479,928.60-18,719,892.90-4,402,025.40

Finding the Fourth Proportional to 12,479,928.60, 18,719,892.90 and 4,402,025.40

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Solution

The fourth proportional to 12,479,928.60, 18,719,892.90 and 4,402,025.40 is: 6,603,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,928.60 : 18,719,892.90 = 4,402,025.40 : x
  2. Step 2: Convert to fraction form
    12,479,928.60/18,719,892.90 = 4,402,025.40/x
  3. Step 3: Cross multiply
    12,479,928.60x = 18,719,892.90 × 4,402,025.40
  4. Step 4: Simplify right side
    12,479,928.60x = 82,405,444,031,079.66
  5. Step 5: Solve for x
    x = 82,405,444,031,079.66/12,479,928.60
  6. Step 6: Final answer
    x = 6,603,038.10

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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.