Home / 19,012,172-26,236,810.16-10,310,341.92

Finding the Fourth Proportional to 19,012,172, 26,236,810.16 and 10,310,341.92

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Solution

The fourth proportional to 19,012,172, 26,236,810.16 and 10,310,341.92 is: 14,228,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012,172 : 26,236,810.16 = 10,310,341.92 : x
  2. Step 2: Convert to fraction form
    19,012,172/26,236,810.16 = 10,310,341.92/x
  3. Step 3: Cross multiply
    19,012,172x = 26,236,810.16 × 10,310,341.92
  4. Step 4: Simplify right side
    19,012,172x = 270,510,483,639,729.91
  5. Step 5: Solve for x
    x = 270,510,483,639,729.91/19,012,172
  6. Step 6: Final answer
    x = 14,228,278.79

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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.