Home / 21,409,595.28-29,545,269.20-11,620,038.40

Finding the Fourth Proportional to 21,409,595.28, 29,545,269.20 and 11,620,038.40

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Solution

The fourth proportional to 21,409,595.28, 29,545,269.20 and 11,620,038.40 is: 16,035,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,595.28 : 29,545,269.20 = 11,620,038.40 : x
  2. Step 2: Convert to fraction form
    21,409,595.28/29,545,269.20 = 11,620,038.40/x
  3. Step 3: Cross multiply
    21,409,595.28x = 29,545,269.20 × 11,620,038.40
  4. Step 4: Simplify right side
    21,409,595.28x = 343,317,162,642,337.31
  5. Step 5: Solve for x
    x = 343,317,162,642,337.31/21,409,595.28
  6. Step 6: Final answer
    x = 16,035,668.03

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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.