Home / 8,421,606.40-12,632,409.60-3,036,337.60

Finding the Fourth Proportional to 8,421,606.40, 12,632,409.60 and 3,036,337.60

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Solution

The fourth proportional to 8,421,606.40, 12,632,409.60 and 3,036,337.60 is: 4,554,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,606.40 : 12,632,409.60 = 3,036,337.60 : x
  2. Step 2: Convert to fraction form
    8,421,606.40/12,632,409.60 = 3,036,337.60/x
  3. Step 3: Cross multiply
    8,421,606.40x = 12,632,409.60 × 3,036,337.60
  4. Step 4: Simplify right side
    8,421,606.40x = 38,356,260,247,080.96
  5. Step 5: Solve for x
    x = 38,356,260,247,080.96/8,421,606.40
  6. Step 6: Final answer
    x = 4,554,506.40

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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.