Home / 21,652,606.29-29,880,595.83-11,863,421.76

Finding the Fourth Proportional to 21,652,606.29, 29,880,595.83 and 11,863,421.76

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Solution

The fourth proportional to 21,652,606.29, 29,880,595.83 and 11,863,421.76 is: 16,371,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,606.29 : 29,880,595.83 = 11,863,421.76 : x
  2. Step 2: Convert to fraction form
    21,652,606.29/29,880,595.83 = 11,863,421.76/x
  3. Step 3: Cross multiply
    21,652,606.29x = 29,880,595.83 × 11,863,421.76
  4. Step 4: Simplify right side
    21,652,606.29x = 354,486,110,771,387.25
  5. Step 5: Solve for x
    x = 354,486,110,771,387.25/21,652,606.29
  6. Step 6: Final answer
    x = 16,371,521.56

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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.