Home / 9,715,864.48-13,409,075.12-5,641,483.36

Finding the Fourth Proportional to 9,715,864.48, 13,409,075.12 and 5,641,483.36

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Solution

The fourth proportional to 9,715,864.48, 13,409,075.12 and 5,641,483.36 is: 7,785,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,864.48 : 13,409,075.12 = 5,641,483.36 : x
  2. Step 2: Convert to fraction form
    9,715,864.48/13,409,075.12 = 5,641,483.36/x
  3. Step 3: Cross multiply
    9,715,864.48x = 13,409,075.12 × 5,641,483.36
  4. Step 4: Simplify right side
    9,715,864.48x = 75,647,074,162,470
  5. Step 5: Solve for x
    x = 75,647,074,162,470/9,715,864.48
  6. Step 6: Final answer
    x = 7,785,933.44

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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.