Home / 18,681,840.98-28,021,764.55-5,034,768.40

Finding the Fourth Proportional to 18,681,840.98, 28,021,764.55 and 5,034,768.40

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Solution

The fourth proportional to 18,681,840.98, 28,021,764.55 and 5,034,768.40 is: 7,551,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,840.98 : 28,021,764.55 = 5,034,768.40 : x
  2. Step 2: Convert to fraction form
    18,681,840.98/28,021,764.55 = 5,034,768.40/x
  3. Step 3: Cross multiply
    18,681,840.98x = 28,021,764.55 × 5,034,768.40
  4. Step 4: Simplify right side
    18,681,840.98x = 141,083,094,668,580.22
  5. Step 5: Solve for x
    x = 141,083,094,668,580.22/18,681,840.98
  6. Step 6: Final answer
    x = 7,551,883.93

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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.