Home / 20,325,034.65-28,048,574.67-11,032,598.55

Finding the Fourth Proportional to 20,325,034.65, 28,048,574.67 and 11,032,598.55

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Solution

The fourth proportional to 20,325,034.65, 28,048,574.67 and 11,032,598.55 is: 15,225,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,034.65 : 28,048,574.67 = 11,032,598.55 : x
  2. Step 2: Convert to fraction form
    20,325,034.65/28,048,574.67 = 11,032,598.55/x
  3. Step 3: Cross multiply
    20,325,034.65x = 28,048,574.67 × 11,032,598.55
  4. Step 4: Simplify right side
    20,325,034.65x = 309,448,664,233,808.75
  5. Step 5: Solve for x
    x = 309,448,664,233,808.75/20,325,034.65
  6. Step 6: Final answer
    x = 15,225,000.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.