Home / 10,752,382.40-16,128,573.60-9,931,236.80

Finding the Fourth Proportional to 10,752,382.40, 16,128,573.60 and 9,931,236.80

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Solution

The fourth proportional to 10,752,382.40, 16,128,573.60 and 9,931,236.80 is: 14,896,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,382.40 : 16,128,573.60 = 9,931,236.80 : x
  2. Step 2: Convert to fraction form
    10,752,382.40/16,128,573.60 = 9,931,236.80/x
  3. Step 3: Cross multiply
    10,752,382.40x = 16,128,573.60 × 9,931,236.80
  4. Step 4: Simplify right side
    10,752,382.40x = 160,176,683,667,828.50
  5. Step 5: Solve for x
    x = 160,176,683,667,828.50/10,752,382.40
  6. Step 6: Final answer
    x = 14,896,855.20

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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.