Home / 15,477,907.20-23,216,860.80-8,759,443.20

Finding the Fourth Proportional to 15,477,907.20, 23,216,860.80 and 8,759,443.20

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Solution

The fourth proportional to 15,477,907.20, 23,216,860.80 and 8,759,443.20 is: 13,139,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477,907.20 : 23,216,860.80 = 8,759,443.20 : x
  2. Step 2: Convert to fraction form
    15,477,907.20/23,216,860.80 = 8,759,443.20/x
  3. Step 3: Cross multiply
    15,477,907.20x = 23,216,860.80 × 8,759,443.20
  4. Step 4: Simplify right side
    15,477,907.20x = 203,366,773,459,906.56
  5. Step 5: Solve for x
    x = 203,366,773,459,906.56/15,477,907.20
  6. Step 6: Final answer
    x = 13,139,164.80

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1.5x scale

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.