Home / 10,543,530.80-15,783,803.40-6,281,505.20

Finding the Fourth Proportional to 10,543,530.80, 15,783,803.40 and 6,281,505.20

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Solution

The fourth proportional to 10,543,530.80, 15,783,803.40 and 6,281,505.20 is: 9,403,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,530.80 : 15,783,803.40 = 6,281,505.20 : x
  2. Step 2: Convert to fraction form
    10,543,530.80/15,783,803.40 = 6,281,505.20/x
  3. Step 3: Cross multiply
    10,543,530.80x = 15,783,803.40 × 6,281,505.20
  4. Step 4: Simplify right side
    10,543,530.80x = 99,146,043,132,877.69
  5. Step 5: Solve for x
    x = 99,146,043,132,877.69/10,543,530.80
  6. Step 6: Final answer
    x = 9,403,495.38

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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.