Home / 12,872,492.80-19,303,036.80-4,350,515.20

Finding the Fourth Proportional to 12,872,492.80, 19,303,036.80 and 4,350,515.20

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Solution

The fourth proportional to 12,872,492.80, 19,303,036.80 and 4,350,515.20 is: 6,523,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,492.80 : 19,303,036.80 = 4,350,515.20 : x
  2. Step 2: Convert to fraction form
    12,872,492.80/19,303,036.80 = 4,350,515.20/x
  3. Step 3: Cross multiply
    12,872,492.80x = 19,303,036.80 × 4,350,515.20
  4. Step 4: Simplify right side
    12,872,492.80x = 83,978,155,004,559.36
  5. Step 5: Solve for x
    x = 83,978,155,004,559.36/12,872,492.80
  6. Step 6: Final answer
    x = 6,523,845.56

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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.