Home / 19,218,985.81-26,551,008.17-12,619,232.17

Finding the Fourth Proportional to 19,218,985.81, 26,551,008.17 and 12,619,232.17

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Solution

The fourth proportional to 19,218,985.81, 26,551,008.17 and 12,619,232.17 is: 17,433,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,985.81 : 26,551,008.17 = 12,619,232.17 : x
  2. Step 2: Convert to fraction form
    19,218,985.81/26,551,008.17 = 12,619,232.17/x
  3. Step 3: Cross multiply
    19,218,985.81x = 26,551,008.17 × 12,619,232.17
  4. Step 4: Simplify right side
    19,218,985.81x = 335,053,336,381,700.62
  5. Step 5: Solve for x
    x = 335,053,336,381,700.62/19,218,985.81
  6. Step 6: Final answer
    x = 17,433,455.63

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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.