Home / 10,671,218.60-16,006,827.90-9,789,420.20

Finding the Fourth Proportional to 10,671,218.60, 16,006,827.90 and 9,789,420.20

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Solution

The fourth proportional to 10,671,218.60, 16,006,827.90 and 9,789,420.20 is: 14,684,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671,218.60 : 16,006,827.90 = 9,789,420.20 : x
  2. Step 2: Convert to fraction form
    10,671,218.60/16,006,827.90 = 9,789,420.20/x
  3. Step 3: Cross multiply
    10,671,218.60x = 16,006,827.90 × 9,789,420.20
  4. Step 4: Simplify right side
    10,671,218.60x = 156,697,564,382,183.56
  5. Step 5: Solve for x
    x = 156,697,564,382,183.56/10,671,218.60
  6. Step 6: Final answer
    x = 14,684,130.30

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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.