Home / 21,281,613.45-31,926,903.50-6,903,558.57

Finding the Fourth Proportional to 21,281,613.45, 31,926,903.50 and 6,903,558.57

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Solution

The fourth proportional to 21,281,613.45, 31,926,903.50 and 6,903,558.57 is: 10,356,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,613.45 : 31,926,903.50 = 6,903,558.57 : x
  2. Step 2: Convert to fraction form
    21,281,613.45/31,926,903.50 = 6,903,558.57/x
  3. Step 3: Cross multiply
    21,281,613.45x = 31,926,903.50 × 6,903,558.57
  4. Step 4: Simplify right side
    21,281,613.45x = 220,409,248,236,470.22
  5. Step 5: Solve for x
    x = 220,409,248,236,470.22/21,281,613.45
  6. Step 6: Final answer
    x = 10,356,792.20

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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.