Home / 9,429,921.40-14,123,886.90-8,170,209.40

Finding the Fourth Proportional to 9,429,921.40, 14,123,886.90 and 8,170,209.40

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Solution

The fourth proportional to 9,429,921.40, 14,123,886.90 and 8,170,209.40 is: 12,237,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429,921.40 : 14,123,886.90 = 8,170,209.40 : x
  2. Step 2: Convert to fraction form
    9,429,921.40/14,123,886.90 = 8,170,209.40/x
  3. Step 3: Cross multiply
    9,429,921.40x = 14,123,886.90 × 8,170,209.40
  4. Step 4: Simplify right side
    9,429,921.40x = 115,395,113,514,916.88
  5. Step 5: Solve for x
    x = 115,395,113,514,916.88/9,429,921.40
  6. Step 6: Final answer
    x = 12,237,123.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.