Home / 11,178,037.80-16,767,056.70-9,371,138.40

Finding the Fourth Proportional to 11,178,037.80, 16,767,056.70 and 9,371,138.40

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Solution

The fourth proportional to 11,178,037.80, 16,767,056.70 and 9,371,138.40 is: 14,056,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,037.80 : 16,767,056.70 = 9,371,138.40 : x
  2. Step 2: Convert to fraction form
    11,178,037.80/16,767,056.70 = 9,371,138.40/x
  3. Step 3: Cross multiply
    11,178,037.80x = 16,767,056.70 × 9,371,138.40
  4. Step 4: Simplify right side
    11,178,037.80x = 157,126,408,896,347.28
  5. Step 5: Solve for x
    x = 157,126,408,896,347.28/11,178,037.80
  6. Step 6: Final answer
    x = 14,056,707.60

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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.