Home / 28,848,980.85-43,274,109.45-10,406,400.47

Finding the Fourth Proportional to 28,848,980.85, 43,274,109.45 and 10,406,400.47

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Solution

The fourth proportional to 28,848,980.85, 43,274,109.45 and 10,406,400.47 is: 15,609,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848,980.85 : 43,274,109.45 = 10,406,400.47 : x
  2. Step 2: Convert to fraction form
    28,848,980.85/43,274,109.45 = 10,406,400.47/x
  3. Step 3: Cross multiply
    28,848,980.85x = 43,274,109.45 × 10,406,400.47
  4. Step 4: Simplify right side
    28,848,980.85x = 450,327,712,867,279.50
  5. Step 5: Solve for x
    x = 450,327,712,867,279.50/28,848,980.85
  6. Step 6: Final answer
    x = 15,609,830.91

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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.