Home / 10,671,203.60-16,006,805.40-9,789,405.20

Finding the Fourth Proportional to 10,671,203.60, 16,006,805.40 and 9,789,405.20

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Solution

The fourth proportional to 10,671,203.60, 16,006,805.40 and 9,789,405.20 is: 14,684,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671,203.60 : 16,006,805.40 = 9,789,405.20 : x
  2. Step 2: Convert to fraction form
    10,671,203.60/16,006,805.40 = 9,789,405.20/x
  3. Step 3: Cross multiply
    10,671,203.60x = 16,006,805.40 × 9,789,405.20
  4. Step 4: Simplify right side
    10,671,203.60x = 156,697,104,018,148.06
  5. Step 5: Solve for x
    x = 156,697,104,018,148.06/10,671,203.60
  6. Step 6: Final answer
    x = 14,684,107.80

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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.