Home / 9,640,129.59-13,303,377.72-5,510,248.92

Finding the Fourth Proportional to 9,640,129.59, 13,303,377.72 and 5,510,248.92

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Solution

The fourth proportional to 9,640,129.59, 13,303,377.72 and 5,510,248.92 is: 7,604,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640,129.59 : 13,303,377.72 = 5,510,248.92 : x
  2. Step 2: Convert to fraction form
    9,640,129.59/13,303,377.72 = 5,510,248.92/x
  3. Step 3: Cross multiply
    9,640,129.59x = 13,303,377.72 × 5,510,248.92
  4. Step 4: Simplify right side
    9,640,129.59x = 73,304,922,713,982.06
  5. Step 5: Solve for x
    x = 73,304,922,713,982.06/9,640,129.59
  6. Step 6: Final answer
    x = 7,604,142.87

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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.