Home / 12,805,513.06-19,208,302.12-5,232,478.80

Finding the Fourth Proportional to 12,805,513.06, 19,208,302.12 and 5,232,478.80

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Solution

The fourth proportional to 12,805,513.06, 19,208,302.12 and 5,232,478.80 is: 7,848,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,513.06 : 19,208,302.12 = 5,232,478.80 : x
  2. Step 2: Convert to fraction form
    12,805,513.06/19,208,302.12 = 5,232,478.80/x
  3. Step 3: Cross multiply
    12,805,513.06x = 19,208,302.12 × 5,232,478.80
  4. Step 4: Simplify right side
    12,805,513.06x = 100,507,033,626,895.06
  5. Step 5: Solve for x
    x = 100,507,033,626,895.06/12,805,513.06
  6. Step 6: Final answer
    x = 7,848,731.49

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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.