Home / 15,391,482.40-23,071,995.60-7,290,218.80

Finding the Fourth Proportional to 15,391,482.40, 23,071,995.60 and 7,290,218.80

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Solution

The fourth proportional to 15,391,482.40, 23,071,995.60 and 7,290,218.80 is: 10,928,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,482.40 : 23,071,995.60 = 7,290,218.80 : x
  2. Step 2: Convert to fraction form
    15,391,482.40/23,071,995.60 = 7,290,218.80/x
  3. Step 3: Cross multiply
    15,391,482.40x = 23,071,995.60 × 7,290,218.80
  4. Step 4: Simplify right side
    15,391,482.40x = 168,199,896,076,637.28
  5. Step 5: Solve for x
    x = 168,199,896,076,637.28/15,391,482.40
  6. Step 6: Final answer
    x = 10,928,115.42

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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.