Home / 19,159,962-26,445,189.60-12,634,770.48

Finding the Fourth Proportional to 19,159,962, 26,445,189.60 and 12,634,770.48

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Solution

The fourth proportional to 19,159,962, 26,445,189.60 and 12,634,770.48 is: 17,438,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,962 : 26,445,189.60 = 12,634,770.48 : x
  2. Step 2: Convert to fraction form
    19,159,962/26,445,189.60 = 12,634,770.48/x
  3. Step 3: Cross multiply
    19,159,962x = 26,445,189.60 × 12,634,770.48
  4. Step 4: Simplify right side
    19,159,962x = 334,128,900,896,083.06
  5. Step 5: Solve for x
    x = 334,128,900,896,083.06/19,159,962
  6. Step 6: Final answer
    x = 17,438,912.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.