Home / 21,371,266.67-29,492,373.23-11,581,710.80

Finding the Fourth Proportional to 21,371,266.67, 29,492,373.23 and 11,581,710.80

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Solution

The fourth proportional to 21,371,266.67, 29,492,373.23 and 11,581,710.80 is: 15,982,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371,266.67 : 29,492,373.23 = 11,581,710.80 : x
  2. Step 2: Convert to fraction form
    21,371,266.67/29,492,373.23 = 11,581,710.80/x
  3. Step 3: Cross multiply
    21,371,266.67x = 29,492,373.23 × 11,581,710.80
  4. Step 4: Simplify right side
    21,371,266.67x = 341,572,137,571,344.31
  5. Step 5: Solve for x
    x = 341,572,137,571,344.31/21,371,266.67
  6. Step 6: Final answer
    x = 15,982,774.57

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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.