Home / 15,338,150.30-21,168,521.91-8,811,767.42

Finding the Fourth Proportional to 15,338,150.30, 21,168,521.91 and 8,811,767.42

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Solution

The fourth proportional to 15,338,150.30, 21,168,521.91 and 8,811,767.42 is: 12,161,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,150.30 : 21,168,521.91 = 8,811,767.42 : x
  2. Step 2: Convert to fraction form
    15,338,150.30/21,168,521.91 = 8,811,767.42/x
  3. Step 3: Cross multiply
    15,338,150.30x = 21,168,521.91 × 8,811,767.42
  4. Step 4: Simplify right side
    15,338,150.30x = 186,532,091,696,094.19
  5. Step 5: Solve for x
    x = 186,532,091,696,094.19/15,338,150.30
  6. Step 6: Final answer
    x = 12,161,315.94

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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.