Home / 6,221,429.70-9,332,144.55-5,158,547.70

Finding the Fourth Proportional to 6,221,429.70, 9,332,144.55 and 5,158,547.70

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Solution

The fourth proportional to 6,221,429.70, 9,332,144.55 and 5,158,547.70 is: 7,737,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,429.70 : 9,332,144.55 = 5,158,547.70 : x
  2. Step 2: Convert to fraction form
    6,221,429.70/9,332,144.55 = 5,158,547.70/x
  3. Step 3: Cross multiply
    6,221,429.70x = 9,332,144.55 × 5,158,547.70
  4. Step 4: Simplify right side
    6,221,429.70x = 48,140,312,804,470.04
  5. Step 5: Solve for x
    x = 48,140,312,804,470.04/6,221,429.70
  6. Step 6: Final answer
    x = 7,737,821.55

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Double scale
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Similar ratio
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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.