Home / 10,300,938.80-15,451,408.20-7,646,730.80

Finding the Fourth Proportional to 10,300,938.80, 15,451,408.20 and 7,646,730.80

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Solution

The fourth proportional to 10,300,938.80, 15,451,408.20 and 7,646,730.80 is: 11,470,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300,938.80 : 15,451,408.20 = 7,646,730.80 : x
  2. Step 2: Convert to fraction form
    10,300,938.80/15,451,408.20 = 7,646,730.80/x
  3. Step 3: Cross multiply
    10,300,938.80x = 15,451,408.20 × 7,646,730.80
  4. Step 4: Simplify right side
    10,300,938.80x = 118,152,758,986,312.55
  5. Step 5: Solve for x
    x = 118,152,758,986,312.55/10,300,938.80
  6. Step 6: Final answer
    x = 11,470,096.20

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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.