Home / 19,681,868.94-27,160,990.70-10,980,041.58

Finding the Fourth Proportional to 19,681,868.94, 27,160,990.70 and 10,980,041.58

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Solution

The fourth proportional to 19,681,868.94, 27,160,990.70 and 10,980,041.58 is: 15,152,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,868.94 : 27,160,990.70 = 10,980,041.58 : x
  2. Step 2: Convert to fraction form
    19,681,868.94/27,160,990.70 = 10,980,041.58/x
  3. Step 3: Cross multiply
    19,681,868.94x = 27,160,990.70 × 10,980,041.58
  4. Step 4: Simplify right side
    19,681,868.94x = 298,228,807,185,093.12
  5. Step 5: Solve for x
    x = 298,228,807,185,093.12/19,681,868.94
  6. Step 6: Final answer
    x = 15,152,463.83

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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.