Home / 15,339,926.89-23,009,916.49-12,285,345.20

Finding the Fourth Proportional to 15,339,926.89, 23,009,916.49 and 12,285,345.20

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Solution

The fourth proportional to 15,339,926.89, 23,009,916.49 and 12,285,345.20 is: 18,428,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,926.89 : 23,009,916.49 = 12,285,345.20 : x
  2. Step 2: Convert to fraction form
    15,339,926.89/23,009,916.49 = 12,285,345.20/x
  3. Step 3: Cross multiply
    15,339,926.89x = 23,009,916.49 × 12,285,345.20
  4. Step 4: Simplify right side
    15,339,926.89x = 282,684,767,220,299.12
  5. Step 5: Solve for x
    x = 282,684,767,220,299.12/15,339,926.89
  6. Step 6: Final answer
    x = 18,428,038.76

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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.