Home / 15,133,051.41-20,884,071.83-8,607,620.13

Finding the Fourth Proportional to 15,133,051.41, 20,884,071.83 and 8,607,620.13

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Solution

The fourth proportional to 15,133,051.41, 20,884,071.83 and 8,607,620.13 is: 11,878,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,051.41 : 20,884,071.83 = 8,607,620.13 : x
  2. Step 2: Convert to fraction form
    15,133,051.41/20,884,071.83 = 8,607,620.13/x
  3. Step 3: Cross multiply
    15,133,051.41x = 20,884,071.83 × 8,607,620.13
  4. Step 4: Simplify right side
    15,133,051.41x = 179,762,157,037,235.84
  5. Step 5: Solve for x
    x = 179,762,157,037,235.84/15,133,051.41
  6. Step 6: Final answer
    x = 11,878,777.93

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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.