Home / 12,613,141.80-17,406,131.40-6,811,924.80

Finding the Fourth Proportional to 12,613,141.80, 17,406,131.40 and 6,811,924.80

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Solution

The fourth proportional to 12,613,141.80, 17,406,131.40 and 6,811,924.80 is: 9,400,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,141.80 : 17,406,131.40 = 6,811,924.80 : x
  2. Step 2: Convert to fraction form
    12,613,141.80/17,406,131.40 = 6,811,924.80/x
  3. Step 3: Cross multiply
    12,613,141.80x = 17,406,131.40 × 6,811,924.80
  4. Step 4: Simplify right side
    12,613,141.80x = 118,569,258,155,718.70
  5. Step 5: Solve for x
    x = 118,569,258,155,718.70/12,613,141.80
  6. Step 6: Final answer
    x = 9,400,453.91

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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.