Home / 19,643,056.84-27,105,345.39-11,385,709.28

Finding the Fourth Proportional to 19,643,056.84, 27,105,345.39 and 11,385,709.28

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Solution

The fourth proportional to 19,643,056.84, 27,105,345.39 and 11,385,709.28 is: 15,711,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643,056.84 : 27,105,345.39 = 11,385,709.28 : x
  2. Step 2: Convert to fraction form
    19,643,056.84/27,105,345.39 = 11,385,709.28/x
  3. Step 3: Cross multiply
    19,643,056.84x = 27,105,345.39 × 11,385,709.28
  4. Step 4: Simplify right side
    19,643,056.84x = 308,613,582,553,343
  5. Step 5: Solve for x
    x = 308,613,582,553,343/19,643,056.84
  6. Step 6: Final answer
    x = 15,711,077.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.