Home / 12,301,153.40-18,451,730.10-5,909,864.60

Finding the Fourth Proportional to 12,301,153.40, 18,451,730.10 and 5,909,864.60

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Solution

The fourth proportional to 12,301,153.40, 18,451,730.10 and 5,909,864.60 is: 8,864,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,153.40 : 18,451,730.10 = 5,909,864.60 : x
  2. Step 2: Convert to fraction form
    12,301,153.40/18,451,730.10 = 5,909,864.60/x
  3. Step 3: Cross multiply
    12,301,153.40x = 18,451,730.10 × 5,909,864.60
  4. Step 4: Simplify right side
    12,301,153.40x = 109,047,226,526,744.47
  5. Step 5: Solve for x
    x = 109,047,226,526,744.47/12,301,153.40
  6. Step 6: Final answer
    x = 8,864,796.90

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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.