Home / 13,437,570.16-18,543,846.12-7,636,363.12

Finding the Fourth Proportional to 13,437,570.16, 18,543,846.12 and 7,636,363.12

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Solution

The fourth proportional to 13,437,570.16, 18,543,846.12 and 7,636,363.12 is: 10,538,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,570.16 : 18,543,846.12 = 7,636,363.12 : x
  2. Step 2: Convert to fraction form
    13,437,570.16/18,543,846.12 = 7,636,363.12/x
  3. Step 3: Cross multiply
    13,437,570.16x = 18,543,846.12 × 7,636,363.12
  4. Step 4: Simplify right side
    13,437,570.16x = 141,607,542,613,723.09
  5. Step 5: Solve for x
    x = 141,607,542,613,723.09/13,437,570.16
  6. Step 6: Final answer
    x = 10,538,180.71

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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.