Home / 10,429,795.80-15,626,031.30-8,936,803.80

Finding the Fourth Proportional to 10,429,795.80, 15,626,031.30 and 8,936,803.80

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Solution

The fourth proportional to 10,429,795.80, 15,626,031.30 and 8,936,803.80 is: 13,389,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,795.80 : 15,626,031.30 = 8,936,803.80 : x
  2. Step 2: Convert to fraction form
    10,429,795.80/15,626,031.30 = 8,936,803.80/x
  3. Step 3: Cross multiply
    10,429,795.80x = 15,626,031.30 × 8,936,803.80
  4. Step 4: Simplify right side
    10,429,795.80x = 139,646,775,900,758.95
  5. Step 5: Solve for x
    x = 139,646,775,900,758.95/10,429,795.80
  6. Step 6: Final answer
    x = 13,389,214.76

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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.