Home / 18,438,837.04-25,444,928.28-10,178,722

Finding the Fourth Proportional to 18,438,837.04, 25,444,928.28 and 10,178,722

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Solution

The fourth proportional to 18,438,837.04, 25,444,928.28 and 10,178,722 is: 14,046,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,837.04 : 25,444,928.28 = 10,178,722 : x
  2. Step 2: Convert to fraction form
    18,438,837.04/25,444,928.28 = 10,178,722/x
  3. Step 3: Cross multiply
    18,438,837.04x = 25,444,928.28 × 10,178,722
  4. Step 4: Simplify right side
    18,438,837.04x = 258,996,851,272,058.19
  5. Step 5: Solve for x
    x = 258,996,851,272,058.19/18,438,837.04
  6. Step 6: Final answer
    x = 14,046,268.25

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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.