Home / 19,141,356.60-28,733,030.10-11,960,998.20

Finding the Fourth Proportional to 19,141,356.60, 28,733,030.10 and 11,960,998.20

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Solution

The fourth proportional to 19,141,356.60, 28,733,030.10 and 11,960,998.20 is: 17,954,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,356.60 : 28,733,030.10 = 11,960,998.20 : x
  2. Step 2: Convert to fraction form
    19,141,356.60/28,733,030.10 = 11,960,998.20/x
  3. Step 3: Cross multiply
    19,141,356.60x = 28,733,030.10 × 11,960,998.20
  4. Step 4: Simplify right side
    19,141,356.60x = 343,675,721,306,645.81
  5. Step 5: Solve for x
    x = 343,675,721,306,645.81/19,141,356.60
  6. Step 6: Final answer
    x = 17,954,616.72

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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.