Home / 8,669,343.60-13,004,638.76-2,989,486

Finding the Fourth Proportional to 8,669,343.60, 13,004,638.76 and 2,989,486

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Solution

The fourth proportional to 8,669,343.60, 13,004,638.76 and 2,989,486 is: 4,484,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,343.60 : 13,004,638.76 = 2,989,486 : x
  2. Step 2: Convert to fraction form
    8,669,343.60/13,004,638.76 = 2,989,486/x
  3. Step 3: Cross multiply
    8,669,343.60x = 13,004,638.76 × 2,989,486
  4. Step 4: Simplify right side
    8,669,343.60x = 38,877,185,508,077.36
  5. Step 5: Solve for x
    x = 38,877,185,508,077.36/8,669,343.60
  6. Step 6: Final answer
    x = 4,484,443.96

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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.