Home / 12,398,482.81-17,110,110.90-6,816,965.15

Finding the Fourth Proportional to 12,398,482.81, 17,110,110.90 and 6,816,965.15

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Solution

The fourth proportional to 12,398,482.81, 17,110,110.90 and 6,816,965.15 is: 9,407,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,482.81 : 17,110,110.90 = 6,816,965.15 : x
  2. Step 2: Convert to fraction form
    12,398,482.81/17,110,110.90 = 6,816,965.15/x
  3. Step 3: Cross multiply
    12,398,482.81x = 17,110,110.90 × 6,816,965.15
  4. Step 4: Simplify right side
    12,398,482.81x = 116,639,029,717,935.12
  5. Step 5: Solve for x
    x = 116,639,029,717,935.12/12,398,482.81
  6. Step 6: Final answer
    x = 9,407,524.41

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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.