Home / 14,652,521.40-20,221,690.02-8,128,254.36

Finding the Fourth Proportional to 14,652,521.40, 20,221,690.02 and 8,128,254.36

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Solution

The fourth proportional to 14,652,521.40, 20,221,690.02 and 8,128,254.36 is: 11,217,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,521.40 : 20,221,690.02 = 8,128,254.36 : x
  2. Step 2: Convert to fraction form
    14,652,521.40/20,221,690.02 = 8,128,254.36/x
  3. Step 3: Cross multiply
    14,652,521.40x = 20,221,690.02 × 8,128,254.36
  4. Step 4: Simplify right side
    14,652,521.40x = 164,367,040,071,633.50
  5. Step 5: Solve for x
    x = 164,367,040,071,633.50/14,652,521.40
  6. Step 6: Final answer
    x = 11,217,662.52

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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.