Home / 10,012,945.23-13,818,136.14-5,662,682.28

Finding the Fourth Proportional to 10,012,945.23, 13,818,136.14 and 5,662,682.28

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Solution

The fourth proportional to 10,012,945.23, 13,818,136.14 and 5,662,682.28 is: 7,814,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,945.23 : 13,818,136.14 = 5,662,682.28 : x
  2. Step 2: Convert to fraction form
    10,012,945.23/13,818,136.14 = 5,662,682.28/x
  3. Step 3: Cross multiply
    10,012,945.23x = 13,818,136.14 × 5,662,682.28
  4. Step 4: Simplify right side
    10,012,945.23x = 78,247,714,662,605.61
  5. Step 5: Solve for x
    x = 78,247,714,662,605.61/10,012,945.23
  6. Step 6: Final answer
    x = 7,814,655.22

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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.