Home / 19,677,316.96-27,163,405.88-12,711,391.77

Finding the Fourth Proportional to 19,677,316.96, 27,163,405.88 and 12,711,391.77

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Solution

The fourth proportional to 19,677,316.96, 27,163,405.88 and 12,711,391.77 is: 17,547,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677,316.96 : 27,163,405.88 = 12,711,391.77 : x
  2. Step 2: Convert to fraction form
    19,677,316.96/27,163,405.88 = 12,711,391.77/x
  3. Step 3: Cross multiply
    19,677,316.96x = 27,163,405.88 × 12,711,391.77
  4. Step 4: Simplify right side
    19,677,316.96x = 345,284,693,979,980.06
  5. Step 5: Solve for x
    x = 345,284,693,979,980.06/19,677,316.96
  6. Step 6: Final answer
    x = 17,547,346.25

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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.