Home / 19,289,840.79-26,642,073.50-12,703,870.05

Finding the Fourth Proportional to 19,289,840.79, 26,642,073.50 and 12,703,870.05

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Solution

The fourth proportional to 19,289,840.79, 26,642,073.50 and 12,703,870.05 is: 17,545,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289,840.79 : 26,642,073.50 = 12,703,870.05 : x
  2. Step 2: Convert to fraction form
    19,289,840.79/26,642,073.50 = 12,703,870.05/x
  3. Step 3: Cross multiply
    19,289,840.79x = 26,642,073.50 × 12,703,870.05
  4. Step 4: Simplify right side
    19,289,840.79x = 338,457,439,606,548.69
  5. Step 5: Solve for x
    x = 338,457,439,606,548.69/19,289,840.79
  6. Step 6: Final answer
    x = 17,545,890.78

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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.