Home / 9,872,574.12-13,624,074.16-5,521,657.20

Finding the Fourth Proportional to 9,872,574.12, 13,624,074.16 and 5,521,657.20

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Solution

The fourth proportional to 9,872,574.12, 13,624,074.16 and 5,521,657.20 is: 7,619,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,574.12 : 13,624,074.16 = 5,521,657.20 : x
  2. Step 2: Convert to fraction form
    9,872,574.12/13,624,074.16 = 5,521,657.20/x
  3. Step 3: Cross multiply
    9,872,574.12x = 13,624,074.16 × 5,521,657.20
  4. Step 4: Simplify right side
    9,872,574.12x = 75,227,467,178,897.95
  5. Step 5: Solve for x
    x = 75,227,467,178,897.95/9,872,574.12
  6. Step 6: Final answer
    x = 7,619,843.24

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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.