Home / 7,938,222.98-11,911,271.06-3,145,806.14

Finding the Fourth Proportional to 7,938,222.98, 11,911,271.06 and 3,145,806.14

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Solution

The fourth proportional to 7,938,222.98, 11,911,271.06 and 3,145,806.14 is: 4,720,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,222.98 : 11,911,271.06 = 3,145,806.14 : x
  2. Step 2: Convert to fraction form
    7,938,222.98/11,911,271.06 = 3,145,806.14/x
  3. Step 3: Cross multiply
    7,938,222.98x = 11,911,271.06 × 3,145,806.14
  4. Step 4: Simplify right side
    7,938,222.98x = 37,470,549,584,060.47
  5. Step 5: Solve for x
    x = 37,470,549,584,060.47/7,938,222.98
  6. Step 6: Final answer
    x = 4,720,269.22

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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.