Home / 14,953,211.72-20,636,646.48-8,427,283.16

Finding the Fourth Proportional to 14,953,211.72, 20,636,646.48 and 8,427,283.16

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Solution

The fourth proportional to 14,953,211.72, 20,636,646.48 and 8,427,283.16 is: 11,630,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953,211.72 : 20,636,646.48 = 8,427,283.16 : x
  2. Step 2: Convert to fraction form
    14,953,211.72/20,636,646.48 = 8,427,283.16/x
  3. Step 3: Cross multiply
    14,953,211.72x = 20,636,646.48 × 8,427,283.16
  4. Step 4: Simplify right side
    14,953,211.72x = 173,910,863,359,777.28
  5. Step 5: Solve for x
    x = 173,910,863,359,777.28/14,953,211.72
  6. Step 6: Final answer
    x = 11,630,335.12

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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.