Home / 13,796,124.61-19,039,081.75-7,916,835.38

Finding the Fourth Proportional to 13,796,124.61, 19,039,081.75 and 7,916,835.38

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Solution

The fourth proportional to 13,796,124.61, 19,039,081.75 and 7,916,835.38 is: 10,925,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796,124.61 : 19,039,081.75 = 7,916,835.38 : x
  2. Step 2: Convert to fraction form
    13,796,124.61/19,039,081.75 = 7,916,835.38/x
  3. Step 3: Cross multiply
    13,796,124.61x = 19,039,081.75 × 7,916,835.38
  4. Step 4: Simplify right side
    13,796,124.61x = 150,729,276,069,031.12
  5. Step 5: Solve for x
    x = 150,729,276,069,031.12/13,796,124.61
  6. Step 6: Final answer
    x = 10,925,479.46

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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.