Home / 13,749,557.04-18,974,927.28-9,407,749.68

Finding the Fourth Proportional to 13,749,557.04, 18,974,927.28 and 9,407,749.68

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Solution

The fourth proportional to 13,749,557.04, 18,974,927.28 and 9,407,749.68 is: 12,983,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,557.04 : 18,974,927.28 = 9,407,749.68 : x
  2. Step 2: Convert to fraction form
    13,749,557.04/18,974,927.28 = 9,407,749.68/x
  3. Step 3: Cross multiply
    13,749,557.04x = 18,974,927.28 × 9,407,749.68
  4. Step 4: Simplify right side
    13,749,557.04x = 178,511,366,046,443.28
  5. Step 5: Solve for x
    x = 178,511,366,046,443.28/13,749,557.04
  6. Step 6: Final answer
    x = 12,983,063.06

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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.