Home / 13,523,108.61-20,285,916.29-4,889,368.43

Finding the Fourth Proportional to 13,523,108.61, 20,285,916.29 and 4,889,368.43

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Solution

The fourth proportional to 13,523,108.61, 20,285,916.29 and 4,889,368.43 is: 7,334,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,108.61 : 20,285,916.29 = 4,889,368.43 : x
  2. Step 2: Convert to fraction form
    13,523,108.61/20,285,916.29 = 4,889,368.43/x
  3. Step 3: Cross multiply
    13,523,108.61x = 20,285,916.29 × 4,889,368.43
  4. Step 4: Simplify right side
    13,523,108.61x = 99,185,318,681,948.72
  5. Step 5: Solve for x
    x = 99,185,318,681,948.72/13,523,108.61
  6. Step 6: Final answer
    x = 7,334,505.81

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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.