Home / 15,477,742.83-23,219,916.08-5,242,243.71

Finding the Fourth Proportional to 15,477,742.83, 23,219,916.08 and 5,242,243.71

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Solution

The fourth proportional to 15,477,742.83, 23,219,916.08 and 5,242,243.71 is: 7,864,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477,742.83 : 23,219,916.08 = 5,242,243.71 : x
  2. Step 2: Convert to fraction form
    15,477,742.83/23,219,916.08 = 5,242,243.71/x
  3. Step 3: Cross multiply
    15,477,742.83x = 23,219,916.08 × 5,242,243.71
  4. Step 4: Simplify right side
    15,477,742.83x = 121,724,458,990,896.64
  5. Step 5: Solve for x
    x = 121,724,458,990,896.64/15,477,742.83
  6. Step 6: Final answer
    x = 7,864,483.88

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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.