Home / 21,041,952.40-29,057,947.86-19,895,596.51

Finding the Fourth Proportional to 21,041,952.40, 29,057,947.86 and 19,895,596.51

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Solution

The fourth proportional to 21,041,952.40, 29,057,947.86 and 19,895,596.51 is: 27,474,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,952.40 : 29,057,947.86 = 19,895,596.51 : x
  2. Step 2: Convert to fraction form
    21,041,952.40/29,057,947.86 = 19,895,596.51/x
  3. Step 3: Cross multiply
    21,041,952.40x = 29,057,947.86 × 19,895,596.51
  4. Step 4: Simplify right side
    21,041,952.40x = 578,125,206,031,178
  5. Step 5: Solve for x
    x = 578,125,206,031,178/21,041,952.40
  6. Step 6: Final answer
    x = 27,474,884.22

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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.