Home / 12,581,845.63-18,876,442.61-5,009,926.75

Finding the Fourth Proportional to 12,581,845.63, 18,876,442.61 and 5,009,926.75

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Solution

The fourth proportional to 12,581,845.63, 18,876,442.61 and 5,009,926.75 is: 7,516,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,845.63 : 18,876,442.61 = 5,009,926.75 : x
  2. Step 2: Convert to fraction form
    12,581,845.63/18,876,442.61 = 5,009,926.75/x
  3. Step 3: Cross multiply
    12,581,845.63x = 18,876,442.61 × 5,009,926.75
  4. Step 4: Simplify right side
    12,581,845.63x = 94,569,594,776,678.81
  5. Step 5: Solve for x
    x = 94,569,594,776,678.81/12,581,845.63
  6. Step 6: Final answer
    x = 7,516,353.13

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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.