Home / 19,251,637.94-28,858,014.48-12,068,206.81

Finding the Fourth Proportional to 19,251,637.94, 28,858,014.48 and 12,068,206.81

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Solution

The fourth proportional to 19,251,637.94, 28,858,014.48 and 12,068,206.81 is: 18,090,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,637.94 : 28,858,014.48 = 12,068,206.81 : x
  2. Step 2: Convert to fraction form
    19,251,637.94/28,858,014.48 = 12,068,206.81/x
  3. Step 3: Cross multiply
    19,251,637.94x = 28,858,014.48 × 12,068,206.81
  4. Step 4: Simplify right side
    19,251,637.94x = 348,264,486,843,725.31
  5. Step 5: Solve for x
    x = 348,264,486,843,725.31/19,251,637.94
  6. Step 6: Final answer
    x = 18,090,122.40

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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.