Home / 28,041,130.80-41,968,384.20-20,342,890.80

Finding the Fourth Proportional to 28,041,130.80, 41,968,384.20 and 20,342,890.80

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Solution

The fourth proportional to 28,041,130.80, 41,968,384.20 and 20,342,890.80 is: 30,446,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041,130.80 : 41,968,384.20 = 20,342,890.80 : x
  2. Step 2: Convert to fraction form
    28,041,130.80/41,968,384.20 = 20,342,890.80/x
  3. Step 3: Cross multiply
    28,041,130.80x = 41,968,384.20 × 20,342,890.80
  4. Step 4: Simplify right side
    28,041,130.80x = 853,758,256,833,045.50
  5. Step 5: Solve for x
    x = 853,758,256,833,045.50/28,041,130.80
  6. Step 6: Final answer
    x = 30,446,641.50

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1.5x scale

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.