Home / 10,223,490.38-14,108,189.66-5,639,810.54

Finding the Fourth Proportional to 10,223,490.38, 14,108,189.66 and 5,639,810.54

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Solution

The fourth proportional to 10,223,490.38, 14,108,189.66 and 5,639,810.54 is: 7,782,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,490.38 : 14,108,189.66 = 5,639,810.54 : x
  2. Step 2: Convert to fraction form
    10,223,490.38/14,108,189.66 = 5,639,810.54/x
  3. Step 3: Cross multiply
    10,223,490.38x = 14,108,189.66 × 5,639,810.54
  4. Step 4: Simplify right side
    10,223,490.38x = 79,567,516,646,047.02
  5. Step 5: Solve for x
    x = 79,567,516,646,047.02/10,223,490.38
  6. Step 6: Final answer
    x = 7,782,813.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.