Home / 7,931,521.21-11,897,322.87-3,610,549.60

Finding the Fourth Proportional to 7,931,521.21, 11,897,322.87 and 3,610,549.60

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Solution

The fourth proportional to 7,931,521.21, 11,897,322.87 and 3,610,549.60 is: 5,415,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,521.21 : 11,897,322.87 = 3,610,549.60 : x
  2. Step 2: Convert to fraction form
    7,931,521.21/11,897,322.87 = 3,610,549.60/x
  3. Step 3: Cross multiply
    7,931,521.21x = 11,897,322.87 × 3,610,549.60
  4. Step 4: Simplify right side
    7,931,521.21x = 42,955,874,329,349.35
  5. Step 5: Solve for x
    x = 42,955,874,329,349.35/7,931,521.21
  6. Step 6: Final answer
    x = 5,415,843.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.