Home / 8,972,364.80-13,458,547.20-7,944,912.20

Finding the Fourth Proportional to 8,972,364.80, 13,458,547.20 and 7,944,912.20

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Solution

The fourth proportional to 8,972,364.80, 13,458,547.20 and 7,944,912.20 is: 11,917,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,364.80 : 13,458,547.20 = 7,944,912.20 : x
  2. Step 2: Convert to fraction form
    8,972,364.80/13,458,547.20 = 7,944,912.20/x
  3. Step 3: Cross multiply
    8,972,364.80x = 13,458,547.20 × 7,944,912.20
  4. Step 4: Simplify right side
    8,972,364.80x = 106,926,975,843,555.84
  5. Step 5: Solve for x
    x = 106,926,975,843,555.84/8,972,364.80
  6. Step 6: Final answer
    x = 11,917,368.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.