Home / 28,522,126.80-42,782,801.40-9,353,509.20

Finding the Fourth Proportional to 28,522,126.80, 42,782,801.40 and 9,353,509.20

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Solution

The fourth proportional to 28,522,126.80, 42,782,801.40 and 9,353,509.20 is: 14,030,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,126.80 : 42,782,801.40 = 9,353,509.20 : x
  2. Step 2: Convert to fraction form
    28,522,126.80/42,782,801.40 = 9,353,509.20/x
  3. Step 3: Cross multiply
    28,522,126.80x = 42,782,801.40 × 9,353,509.20
  4. Step 4: Simplify right side
    28,522,126.80x = 400,169,326,496,672.81
  5. Step 5: Solve for x
    x = 400,169,326,496,672.81/28,522,126.80
  6. Step 6: Final answer
    x = 14,030,136.30

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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.