Home / 19,881,087.32-29,818,131.06-5,308,187.60

Finding the Fourth Proportional to 19,881,087.32, 29,818,131.06 and 5,308,187.60

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Solution

The fourth proportional to 19,881,087.32, 29,818,131.06 and 5,308,187.60 is: 7,961,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881,087.32 : 29,818,131.06 = 5,308,187.60 : x
  2. Step 2: Convert to fraction form
    19,881,087.32/29,818,131.06 = 5,308,187.60/x
  3. Step 3: Cross multiply
    19,881,087.32x = 29,818,131.06 × 5,308,187.60
  4. Step 4: Simplify right side
    19,881,087.32x = 158,280,233,547,866.84
  5. Step 5: Solve for x
    x = 158,280,233,547,866.84/19,881,087.32
  6. Step 6: Final answer
    x = 7,961,346.93

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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.