Home / 15,411,169.16-21,267,756.91-8,795,624.81

Finding the Fourth Proportional to 15,411,169.16, 21,267,756.91 and 8,795,624.81

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Solution

The fourth proportional to 15,411,169.16, 21,267,756.91 and 8,795,624.81 is: 12,138,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,169.16 : 21,267,756.91 = 8,795,624.81 : x
  2. Step 2: Convert to fraction form
    15,411,169.16/21,267,756.91 = 8,795,624.81/x
  3. Step 3: Cross multiply
    15,411,169.16x = 21,267,756.91 × 8,795,624.81
  4. Step 4: Simplify right side
    15,411,169.16x = 187,063,210,294,173.22
  5. Step 5: Solve for x
    x = 187,063,210,294,173.22/15,411,169.16
  6. Step 6: Final answer
    x = 12,138,158.27

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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.