Home / 12,674,208.80-17,490,412.80-6,872,989.04

Finding the Fourth Proportional to 12,674,208.80, 17,490,412.80 and 6,872,989.04

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Solution

The fourth proportional to 12,674,208.80, 17,490,412.80 and 6,872,989.04 is: 9,484,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,208.80 : 17,490,412.80 = 6,872,989.04 : x
  2. Step 2: Convert to fraction form
    12,674,208.80/17,490,412.80 = 6,872,989.04/x
  3. Step 3: Cross multiply
    12,674,208.80x = 17,490,412.80 × 6,872,989.04
  4. Step 4: Simplify right side
    12,674,208.80x = 120,211,415,479,475.72
  5. Step 5: Solve for x
    x = 120,211,415,479,475.72/12,674,208.80
  6. Step 6: Final answer
    x = 9,484,727.40

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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.