Home / 9,010,140.96-12,430,950.48-5,139,939.36

Finding the Fourth Proportional to 9,010,140.96, 12,430,950.48 and 5,139,939.36

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Solution

The fourth proportional to 9,010,140.96, 12,430,950.48 and 5,139,939.36 is: 7,091,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010,140.96 : 12,430,950.48 = 5,139,939.36 : x
  2. Step 2: Convert to fraction form
    9,010,140.96/12,430,950.48 = 5,139,939.36/x
  3. Step 3: Cross multiply
    9,010,140.96x = 12,430,950.48 × 5,139,939.36
  4. Step 4: Simplify right side
    9,010,140.96x = 63,894,331,654,362.90
  5. Step 5: Solve for x
    x = 63,894,331,654,362.90/9,010,140.96
  6. Step 6: Final answer
    x = 7,091,379.81

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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.