Home / 15,284,574.81-21,092,712.53-8,408,909.25

Finding the Fourth Proportional to 15,284,574.81, 21,092,712.53 and 8,408,909.25

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Solution

The fourth proportional to 15,284,574.81, 21,092,712.53 and 8,408,909.25 is: 11,604,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,574.81 : 21,092,712.53 = 8,408,909.25 : x
  2. Step 2: Convert to fraction form
    15,284,574.81/21,092,712.53 = 8,408,909.25/x
  3. Step 3: Cross multiply
    15,284,574.81x = 21,092,712.53 × 8,408,909.25
  4. Step 4: Simplify right side
    15,284,574.81x = 177,366,705,459,063.34
  5. Step 5: Solve for x
    x = 177,366,705,459,063.34/15,284,574.81
  6. Step 6: Final answer
    x = 11,604,294.37

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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.