Home / 18,409,394.28-25,404,992.10-10,260,457.32

Finding the Fourth Proportional to 18,409,394.28, 25,404,992.10 and 10,260,457.32

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Solution

The fourth proportional to 18,409,394.28, 25,404,992.10 and 10,260,457.32 is: 14,159,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,394.28 : 25,404,992.10 = 10,260,457.32 : x
  2. Step 2: Convert to fraction form
    18,409,394.28/25,404,992.10 = 10,260,457.32/x
  3. Step 3: Cross multiply
    18,409,394.28x = 25,404,992.10 × 10,260,457.32
  4. Step 4: Simplify right side
    18,409,394.28x = 260,666,837,156,987.19
  5. Step 5: Solve for x
    x = 260,666,837,156,987.19/18,409,394.28
  6. Step 6: Final answer
    x = 14,159,446.70

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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.