Home / 21,048,150.75-31,572,226.15-5,091,798.75

Finding the Fourth Proportional to 21,048,150.75, 31,572,226.15 and 5,091,798.75

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Solution

The fourth proportional to 21,048,150.75, 31,572,226.15 and 5,091,798.75 is: 7,637,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,150.75 : 31,572,226.15 = 5,091,798.75 : x
  2. Step 2: Convert to fraction form
    21,048,150.75/31,572,226.15 = 5,091,798.75/x
  3. Step 3: Cross multiply
    21,048,150.75x = 31,572,226.15 × 5,091,798.75
  4. Step 4: Simplify right side
    21,048,150.75x = 160,759,421,632,557.81
  5. Step 5: Solve for x
    x = 160,759,421,632,557.81/21,048,150.75
  6. Step 6: Final answer
    x = 7,637,698.13

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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.