Home / 21,650,239.72-29,877,328.29-12,948,410.98

Finding the Fourth Proportional to 21,650,239.72, 29,877,328.29 and 12,948,410.98

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Solution

The fourth proportional to 21,650,239.72, 29,877,328.29 and 12,948,410.98 is: 17,868,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,239.72 : 29,877,328.29 = 12,948,410.98 : x
  2. Step 2: Convert to fraction form
    21,650,239.72/29,877,328.29 = 12,948,410.98/x
  3. Step 3: Cross multiply
    21,650,239.72x = 29,877,328.29 × 12,948,410.98
  4. Step 4: Simplify right side
    21,650,239.72x = 386,863,925,683,300.62
  5. Step 5: Solve for x
    x = 386,863,925,683,300.62/21,650,239.72
  6. Step 6: Final answer
    x = 17,868,805.64

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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.