Home / 21,355,863.66-29,473,681.20-12,063,825.54

Finding the Fourth Proportional to 21,355,863.66, 29,473,681.20 and 12,063,825.54

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Solution

The fourth proportional to 21,355,863.66, 29,473,681.20 and 12,063,825.54 is: 16,649,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,863.66 : 29,473,681.20 = 12,063,825.54 : x
  2. Step 2: Convert to fraction form
    21,355,863.66/29,473,681.20 = 12,063,825.54/x
  3. Step 3: Cross multiply
    21,355,863.66x = 29,473,681.20 × 12,063,825.54
  4. Step 4: Simplify right side
    21,355,863.66x = 355,565,348,018,377.81
  5. Step 5: Solve for x
    x = 355,565,348,018,377.81/21,355,863.66
  6. Step 6: Final answer
    x = 16,649,541.96

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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.