Home / 19,788,320.56-27,310,765.32-11,087,081.32

Finding the Fourth Proportional to 19,788,320.56, 27,310,765.32 and 11,087,081.32

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Solution

The fourth proportional to 19,788,320.56, 27,310,765.32 and 11,087,081.32 is: 15,301,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,320.56 : 27,310,765.32 = 11,087,081.32 : x
  2. Step 2: Convert to fraction form
    19,788,320.56/27,310,765.32 = 11,087,081.32/x
  3. Step 3: Cross multiply
    19,788,320.56x = 27,310,765.32 × 11,087,081.32
  4. Step 4: Simplify right side
    19,788,320.56x = 302,796,676,014,275.81
  5. Step 5: Solve for x
    x = 302,796,676,014,275.81/19,788,320.56
  6. Step 6: Final answer
    x = 15,301,787.49

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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.