Home / 9,965,128.80-14,947,693.20-4,926,280.80

Finding the Fourth Proportional to 9,965,128.80, 14,947,693.20 and 4,926,280.80

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Solution

The fourth proportional to 9,965,128.80, 14,947,693.20 and 4,926,280.80 is: 7,389,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,128.80 : 14,947,693.20 = 4,926,280.80 : x
  2. Step 2: Convert to fraction form
    9,965,128.80/14,947,693.20 = 4,926,280.80/x
  3. Step 3: Cross multiply
    9,965,128.80x = 14,947,693.20 × 4,926,280.80
  4. Step 4: Simplify right side
    9,965,128.80x = 73,636,534,015,450.55
  5. Step 5: Solve for x
    x = 73,636,534,015,450.55/9,965,128.80
  6. Step 6: Final answer
    x = 7,389,421.20

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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.