Home / 8,992,139.02-12,409,467.40-5,124,035.86

Finding the Fourth Proportional to 8,992,139.02, 12,409,467.40 and 5,124,035.86

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Solution

The fourth proportional to 8,992,139.02, 12,409,467.40 and 5,124,035.86 is: 7,071,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,139.02 : 12,409,467.40 = 5,124,035.86 : x
  2. Step 2: Convert to fraction form
    8,992,139.02/12,409,467.40 = 5,124,035.86/x
  3. Step 3: Cross multiply
    8,992,139.02x = 12,409,467.40 × 5,124,035.86
  4. Step 4: Simplify right side
    8,992,139.02x = 63,586,555,961,100.97
  5. Step 5: Solve for x
    x = 63,586,555,961,100.97/8,992,139.02
  6. Step 6: Final answer
    x = 7,071,349.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.