Home / 14,652,599.68-20,221,828.50-8,128,330.35

Finding the Fourth Proportional to 14,652,599.68, 20,221,828.50 and 8,128,330.35

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Solution

The fourth proportional to 14,652,599.68, 20,221,828.50 and 8,128,330.35 is: 11,217,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,599.68 : 20,221,828.50 = 8,128,330.35 : x
  2. Step 2: Convert to fraction form
    14,652,599.68/20,221,828.50 = 8,128,330.35/x
  3. Step 3: Cross multiply
    14,652,599.68x = 20,221,828.50 × 8,128,330.35
  4. Step 4: Simplify right side
    14,652,599.68x = 164,369,702,227,935.81
  5. Step 5: Solve for x
    x = 164,369,702,227,935.81/14,652,599.68
  6. Step 6: Final answer
    x = 11,217,784.27

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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.