Home / 31,417,362.56-43,356,218.64-17,666,206.40

Finding the Fourth Proportional to 31,417,362.56, 43,356,218.64 and 17,666,206.40

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Solution

The fourth proportional to 31,417,362.56, 43,356,218.64 and 17,666,206.40 is: 24,379,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417,362.56 : 43,356,218.64 = 17,666,206.40 : x
  2. Step 2: Convert to fraction form
    31,417,362.56/43,356,218.64 = 17,666,206.40/x
  3. Step 3: Cross multiply
    31,417,362.56x = 43,356,218.64 × 17,666,206.40
  4. Step 4: Simplify right side
    31,417,362.56x = 765,939,907,217,767.25
  5. Step 5: Solve for x
    x = 765,939,907,217,767.25/31,417,362.56
  6. Step 6: Final answer
    x = 24,379,510.08

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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.