Home / 12,838,354.47-19,257,530.54-5,649,888.37

Finding the Fourth Proportional to 12,838,354.47, 19,257,530.54 and 5,649,888.37

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Solution

The fourth proportional to 12,838,354.47, 19,257,530.54 and 5,649,888.37 is: 8,474,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,354.47 : 19,257,530.54 = 5,649,888.37 : x
  2. Step 2: Convert to fraction form
    12,838,354.47/19,257,530.54 = 5,649,888.37/x
  3. Step 3: Cross multiply
    12,838,354.47x = 19,257,530.54 × 5,649,888.37
  4. Step 4: Simplify right side
    12,838,354.47x = 108,802,897,756,472.55
  5. Step 5: Solve for x
    x = 108,802,897,756,472.55/12,838,354.47
  6. Step 6: Final answer
    x = 8,474,832.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.