Home / 14,431,639.40-19,908,111.72-8,923,253.48

Finding the Fourth Proportional to 14,431,639.40, 19,908,111.72 and 8,923,253.48

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Solution

The fourth proportional to 14,431,639.40, 19,908,111.72 and 8,923,253.48 is: 12,309,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431,639.40 : 19,908,111.72 = 8,923,253.48 : x
  2. Step 2: Convert to fraction form
    14,431,639.40/19,908,111.72 = 8,923,253.48/x
  3. Step 3: Cross multiply
    14,431,639.40x = 19,908,111.72 × 8,923,253.48
  4. Step 4: Simplify right side
    14,431,639.40x = 177,645,127,185,718.78
  5. Step 5: Solve for x
    x = 177,645,127,185,718.78/14,431,639.40
  6. Step 6: Final answer
    x = 12,309,421.14

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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.