Home / 30,619,020.10-45,928,530.15-12,431,928.10

Finding the Fourth Proportional to 30,619,020.10, 45,928,530.15 and 12,431,928.10

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Solution

The fourth proportional to 30,619,020.10, 45,928,530.15 and 12,431,928.10 is: 18,647,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,020.10 : 45,928,530.15 = 12,431,928.10 : x
  2. Step 2: Convert to fraction form
    30,619,020.10/45,928,530.15 = 12,431,928.10/x
  3. Step 3: Cross multiply
    30,619,020.10x = 45,928,530.15 × 12,431,928.10
  4. Step 4: Simplify right side
    30,619,020.10x = 570,980,184,563,482.12
  5. Step 5: Solve for x
    x = 570,980,184,563,482.12/30,619,020.10
  6. Step 6: Final answer
    x = 18,647,892.15

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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.