Home / 14,430,712.92-19,914,145.02-7,904,281.56

Finding the Fourth Proportional to 14,430,712.92, 19,914,145.02 and 7,904,281.56

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Solution

The fourth proportional to 14,430,712.92, 19,914,145.02 and 7,904,281.56 is: 10,907,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430,712.92 : 19,914,145.02 = 7,904,281.56 : x
  2. Step 2: Convert to fraction form
    14,430,712.92/19,914,145.02 = 7,904,281.56/x
  3. Step 3: Cross multiply
    14,430,712.92x = 19,914,145.02 × 7,904,281.56
  4. Step 4: Simplify right side
    14,430,712.92x = 157,407,009,264,751.81
  5. Step 5: Solve for x
    x = 157,407,009,264,751.81/14,430,712.92
  6. Step 6: Final answer
    x = 10,907,777.75

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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.