Home / 19,677,948.18-27,156,784.95-10,857,356.25

Finding the Fourth Proportional to 19,677,948.18, 27,156,784.95 and 10,857,356.25

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Solution

The fourth proportional to 19,677,948.18, 27,156,784.95 and 10,857,356.25 is: 14,983,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677,948.18 : 27,156,784.95 = 10,857,356.25 : x
  2. Step 2: Convert to fraction form
    19,677,948.18/27,156,784.95 = 10,857,356.25/x
  3. Step 3: Cross multiply
    19,677,948.18x = 27,156,784.95 × 10,857,356.25
  4. Step 4: Simplify right side
    19,677,948.18x = 294,850,888,806,788.44
  5. Step 5: Solve for x
    x = 294,850,888,806,788.44/19,677,948.18
  6. Step 6: Final answer
    x = 14,983,822.81

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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.