Home / 12,687,095.70-19,038,649.32-5,400,544.32

Finding the Fourth Proportional to 12,687,095.70, 19,038,649.32 and 5,400,544.32

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Solution

The fourth proportional to 12,687,095.70, 19,038,649.32 and 5,400,544.32 is: 8,104,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,095.70 : 19,038,649.32 = 5,400,544.32 : x
  2. Step 2: Convert to fraction form
    12,687,095.70/19,038,649.32 = 5,400,544.32/x
  3. Step 3: Cross multiply
    12,687,095.70x = 19,038,649.32 × 5,400,544.32
  4. Step 4: Simplify right side
    12,687,095.70x = 102,819,069,445,597.88
  5. Step 5: Solve for x
    x = 102,819,069,445,597.88/12,687,095.70
  6. Step 6: Final answer
    x = 8,104,224.31

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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.