Home / 12,415,895.13-18,740,468.63-12,415,895.13

Finding the Fourth Proportional to 12,415,895.13, 18,740,468.63 and 12,415,895.13

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Solution

The fourth proportional to 12,415,895.13, 18,740,468.63 and 12,415,895.13 is: 18,740,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,895.13 : 18,740,468.63 = 12,415,895.13 : x
  2. Step 2: Convert to fraction form
    12,415,895.13/18,740,468.63 = 12,415,895.13/x
  3. Step 3: Cross multiply
    12,415,895.13x = 18,740,468.63 × 12,415,895.13
  4. Step 4: Simplify right side
    12,415,895.13x = 232,679,693,135,055.31
  5. Step 5: Solve for x
    x = 232,679,693,135,055.31/12,415,895.13
  6. Step 6: Final answer
    x = 18,740,468.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.