Home / 19,850,346.40-29,803,513.20-12,292,074.40

Finding the Fourth Proportional to 19,850,346.40, 29,803,513.20 and 12,292,074.40

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Solution

The fourth proportional to 19,850,346.40, 29,803,513.20 and 12,292,074.40 is: 18,455,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850,346.40 : 29,803,513.20 = 12,292,074.40 : x
  2. Step 2: Convert to fraction form
    19,850,346.40/29,803,513.20 = 12,292,074.40/x
  3. Step 3: Cross multiply
    19,850,346.40x = 29,803,513.20 × 12,292,074.40
  4. Step 4: Simplify right side
    19,850,346.40x = 366,347,001,635,782.06
  5. Step 5: Solve for x
    x = 366,347,001,635,782.06/19,850,346.40
  6. Step 6: Final answer
    x = 18,455,446.28

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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.