Home / 11,860,172.40-17,811,253.80-9,171,037.20

Finding the Fourth Proportional to 11,860,172.40, 17,811,253.80 and 9,171,037.20

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Solution

The fourth proportional to 11,860,172.40, 17,811,253.80 and 9,171,037.20 is: 13,772,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860,172.40 : 17,811,253.80 = 9,171,037.20 : x
  2. Step 2: Convert to fraction form
    11,860,172.40/17,811,253.80 = 9,171,037.20/x
  3. Step 3: Cross multiply
    11,860,172.40x = 17,811,253.80 × 9,171,037.20
  4. Step 4: Simplify right side
    11,860,172.40x = 163,347,671,178,441.34
  5. Step 5: Solve for x
    x = 163,347,671,178,441.34/11,860,172.40
  6. Step 6: Final answer
    x = 13,772,790.62

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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.