Home / 12,461,465.80-18,678,201.90-5,271,776.20

Finding the Fourth Proportional to 12,461,465.80, 18,678,201.90 and 5,271,776.20

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Solution

The fourth proportional to 12,461,465.80, 18,678,201.90 and 5,271,776.20 is: 7,901,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,465.80 : 18,678,201.90 = 5,271,776.20 : x
  2. Step 2: Convert to fraction form
    12,461,465.80/18,678,201.90 = 5,271,776.20/x
  3. Step 3: Cross multiply
    12,461,465.80x = 18,678,201.90 × 5,271,776.20
  4. Step 4: Simplify right side
    12,461,465.80x = 98,467,300,235,214.78
  5. Step 5: Solve for x
    x = 98,467,300,235,214.78/12,461,465.80
  6. Step 6: Final answer
    x = 7,901,743.01

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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.