Home / 8,487,013.80-12,730,637.46-2,421,743.57

Finding the Fourth Proportional to 8,487,013.80, 12,730,637.46 and 2,421,743.57

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Solution

The fourth proportional to 8,487,013.80, 12,730,637.46 and 2,421,743.57 is: 3,632,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,013.80 : 12,730,637.46 = 2,421,743.57 : x
  2. Step 2: Convert to fraction form
    8,487,013.80/12,730,637.46 = 2,421,743.57/x
  3. Step 3: Cross multiply
    8,487,013.80x = 12,730,637.46 × 2,421,743.57
  4. Step 4: Simplify right side
    8,487,013.80x = 30,830,339,403,924.37
  5. Step 5: Solve for x
    x = 30,830,339,403,924.37/8,487,013.80
  6. Step 6: Final answer
    x = 3,632,648.67

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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.