Home / 9,371,651.89-12,939,581.67-7,308,971.90

Finding the Fourth Proportional to 9,371,651.89, 12,939,581.67 and 7,308,971.90

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Solution

The fourth proportional to 9,371,651.89, 12,939,581.67 and 7,308,971.90 is: 10,091,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371,651.89 : 12,939,581.67 = 7,308,971.90 : x
  2. Step 2: Convert to fraction form
    9,371,651.89/12,939,581.67 = 7,308,971.90/x
  3. Step 3: Cross multiply
    9,371,651.89x = 12,939,581.67 × 7,308,971.90
  4. Step 4: Simplify right side
    9,371,651.89x = 94,575,038,856,134.03
  5. Step 5: Solve for x
    x = 94,575,038,856,134.03/9,371,651.89
  6. Step 6: Final answer
    x = 10,091,608.18

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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.