Home / 8,323,406.81-12,484,828.79-2,931,916.32

Finding the Fourth Proportional to 8,323,406.81, 12,484,828.79 and 2,931,916.32

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Solution

The fourth proportional to 8,323,406.81, 12,484,828.79 and 2,931,916.32 is: 4,397,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,406.81 : 12,484,828.79 = 2,931,916.32 : x
  2. Step 2: Convert to fraction form
    8,323,406.81/12,484,828.79 = 2,931,916.32/x
  3. Step 3: Cross multiply
    8,323,406.81x = 12,484,828.79 × 2,931,916.32
  4. Step 4: Simplify right side
    8,323,406.81x = 36,604,473,313,255.54
  5. Step 5: Solve for x
    x = 36,604,473,313,255.54/8,323,406.81
  6. Step 6: Final answer
    x = 4,397,775.35

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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.