Home / 39,407,482.86-54,382,001.65-21,525,718.03

Finding the Fourth Proportional to 39,407,482.86, 54,382,001.65 and 21,525,718.03

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Solution

The fourth proportional to 39,407,482.86, 54,382,001.65 and 21,525,718.03 is: 29,705,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407,482.86 : 54,382,001.65 = 21,525,718.03 : x
  2. Step 2: Convert to fraction form
    39,407,482.86/54,382,001.65 = 21,525,718.03/x
  3. Step 3: Cross multiply
    39,407,482.86x = 54,382,001.65 × 21,525,718.03
  4. Step 4: Simplify right side
    39,407,482.86x = 1,170,611,633,424,894.75
  5. Step 5: Solve for x
    x = 1,170,611,633,424,894.75/39,407,482.86
  6. Step 6: Final answer
    x = 29,705,313.52

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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.