Home / 21,569,460.06-29,766,589.50-12,756,466.02

Finding the Fourth Proportional to 21,569,460.06, 29,766,589.50 and 12,756,466.02

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Solution

The fourth proportional to 21,569,460.06, 29,766,589.50 and 12,756,466.02 is: 17,604,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569,460.06 : 29,766,589.50 = 12,756,466.02 : x
  2. Step 2: Convert to fraction form
    21,569,460.06/29,766,589.50 = 12,756,466.02/x
  3. Step 3: Cross multiply
    21,569,460.06x = 29,766,589.50 × 12,756,466.02
  4. Step 4: Simplify right side
    21,569,460.06x = 379,716,487,488,038.75
  5. Step 5: Solve for x
    x = 379,716,487,488,038.75/21,569,460.06
  6. Step 6: Final answer
    x = 17,604,357.57

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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.