Home / 27,886,089.18-38,483,960.04-15,496,136.40

Finding the Fourth Proportional to 27,886,089.18, 38,483,960.04 and 15,496,136.40

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Solution

The fourth proportional to 27,886,089.18, 38,483,960.04 and 15,496,136.40 is: 21,385,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886,089.18 : 38,483,960.04 = 15,496,136.40 : x
  2. Step 2: Convert to fraction form
    27,886,089.18/38,483,960.04 = 15,496,136.40/x
  3. Step 3: Cross multiply
    27,886,089.18x = 38,483,960.04 × 15,496,136.40
  4. Step 4: Simplify right side
    27,886,089.18x = 596,352,693,991,989.50
  5. Step 5: Solve for x
    x = 596,352,693,991,989.50/27,886,089.18
  6. Step 6: Final answer
    x = 21,385,311.15

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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.