Home / 30,249,322.80-45,373,984.20-8,682,003.60

Finding the Fourth Proportional to 30,249,322.80, 45,373,984.20 and 8,682,003.60

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Solution

The fourth proportional to 30,249,322.80, 45,373,984.20 and 8,682,003.60 is: 13,023,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,322.80 : 45,373,984.20 = 8,682,003.60 : x
  2. Step 2: Convert to fraction form
    30,249,322.80/45,373,984.20 = 8,682,003.60/x
  3. Step 3: Cross multiply
    30,249,322.80x = 45,373,984.20 × 8,682,003.60
  4. Step 4: Simplify right side
    30,249,322.80x = 393,937,094,170,743.12
  5. Step 5: Solve for x
    x = 393,937,094,170,743.12/30,249,322.80
  6. Step 6: Final answer
    x = 13,023,005.40

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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.