Home / 12,242,984.40-18,348,730.20-7,445,581.20

Finding the Fourth Proportional to 12,242,984.40, 18,348,730.20 and 7,445,581.20

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Solution

The fourth proportional to 12,242,984.40, 18,348,730.20 and 7,445,581.20 is: 11,158,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,984.40 : 18,348,730.20 = 7,445,581.20 : x
  2. Step 2: Convert to fraction form
    12,242,984.40/18,348,730.20 = 7,445,581.20/x
  3. Step 3: Cross multiply
    12,242,984.40x = 18,348,730.20 × 7,445,581.20
  4. Step 4: Simplify right side
    12,242,984.40x = 136,616,960,620,992.23
  5. Step 5: Solve for x
    x = 136,616,960,620,992.23/12,242,984.40
  6. Step 6: Final answer
    x = 11,158,795.61

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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.