Home / 30,984,760.40-46,478,890.20-9,420,065.60

Finding the Fourth Proportional to 30,984,760.40, 46,478,890.20 and 9,420,065.60

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Solution

The fourth proportional to 30,984,760.40, 46,478,890.20 and 9,420,065.60 is: 14,130,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984,760.40 : 46,478,890.20 = 9,420,065.60 : x
  2. Step 2: Convert to fraction form
    30,984,760.40/46,478,890.20 = 9,420,065.60/x
  3. Step 3: Cross multiply
    30,984,760.40x = 46,478,890.20 × 9,420,065.60
  4. Step 4: Simplify right side
    30,984,760.40x = 437,834,194,699,197.12
  5. Step 5: Solve for x
    x = 437,834,194,699,197.12/30,984,760.40
  6. Step 6: Final answer
    x = 14,130,630.32

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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.