Home / 18,223,510.40-25,148,969.20-10,075,273.28

Finding the Fourth Proportional to 18,223,510.40, 25,148,969.20 and 10,075,273.28

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Solution

The fourth proportional to 18,223,510.40, 25,148,969.20 and 10,075,273.28 is: 13,904,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223,510.40 : 25,148,969.20 = 10,075,273.28 : x
  2. Step 2: Convert to fraction form
    18,223,510.40/25,148,969.20 = 10,075,273.28/x
  3. Step 3: Cross multiply
    18,223,510.40x = 25,148,969.20 × 10,075,273.28
  4. Step 4: Simplify right side
    18,223,510.40x = 253,382,737,400,302.94
  5. Step 5: Solve for x
    x = 253,382,737,400,302.94/18,223,510.40
  6. Step 6: Final answer
    x = 13,904,167.30

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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.