Home / 30,772,905.40-46,159,358.10-12,819,676.60

Finding the Fourth Proportional to 30,772,905.40, 46,159,358.10 and 12,819,676.60

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Solution

The fourth proportional to 30,772,905.40, 46,159,358.10 and 12,819,676.60 is: 19,229,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772,905.40 : 46,159,358.10 = 12,819,676.60 : x
  2. Step 2: Convert to fraction form
    30,772,905.40/46,159,358.10 = 12,819,676.60/x
  3. Step 3: Cross multiply
    30,772,905.40x = 46,159,358.10 × 12,819,676.60
  4. Step 4: Simplify right side
    30,772,905.40x = 591,748,042,905,590.50
  5. Step 5: Solve for x
    x = 591,748,042,905,590.50/30,772,905.40
  6. Step 6: Final answer
    x = 19,229,514.90

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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.