Home / 12,547,004.72-18,821,406.64-5,253,124.62

Finding the Fourth Proportional to 12,547,004.72, 18,821,406.64 and 5,253,124.62

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Solution

The fourth proportional to 12,547,004.72, 18,821,406.64 and 5,253,124.62 is: 7,880,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,004.72 : 18,821,406.64 = 5,253,124.62 : x
  2. Step 2: Convert to fraction form
    12,547,004.72/18,821,406.64 = 5,253,124.62/x
  3. Step 3: Cross multiply
    12,547,004.72x = 18,821,406.64 × 5,253,124.62
  4. Step 4: Simplify right side
    12,547,004.72x = 98,871,194,509,508.45
  5. Step 5: Solve for x
    x = 98,871,194,509,508.45/12,547,004.72
  6. Step 6: Final answer
    x = 7,880,063.55

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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.