Home / 21,077,407.02-29,077,915.05-14,110,329.30

Finding the Fourth Proportional to 21,077,407.02, 29,077,915.05 and 14,110,329.30

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Solution

The fourth proportional to 21,077,407.02, 29,077,915.05 and 14,110,329.30 is: 19,466,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,407.02 : 29,077,915.05 = 14,110,329.30 : x
  2. Step 2: Convert to fraction form
    21,077,407.02/29,077,915.05 = 14,110,329.30/x
  3. Step 3: Cross multiply
    21,077,407.02x = 29,077,915.05 × 14,110,329.30
  4. Step 4: Simplify right side
    21,077,407.02x = 410,298,956,712,926
  5. Step 5: Solve for x
    x = 410,298,956,712,926/21,077,407.02
  6. Step 6: Final answer
    x = 19,466,291.86

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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.