Home / 10,045,470.80-15,076,500.60-4,662,405.20

Finding the Fourth Proportional to 10,045,470.80, 15,076,500.60 and 4,662,405.20

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Solution

The fourth proportional to 10,045,470.80, 15,076,500.60 and 4,662,405.20 is: 6,997,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045,470.80 : 15,076,500.60 = 4,662,405.20 : x
  2. Step 2: Convert to fraction form
    10,045,470.80/15,076,500.60 = 4,662,405.20/x
  3. Step 3: Cross multiply
    10,045,470.80x = 15,076,500.60 × 4,662,405.20
  4. Step 4: Simplify right side
    10,045,470.80x = 70,292,754,795,243.12
  5. Step 5: Solve for x
    x = 70,292,754,795,243.12/10,045,470.80
  6. Step 6: Final answer
    x = 6,997,457.48

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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.