Home / 8,132,140.81-11,221,522.54-4,868,870.73

Finding the Fourth Proportional to 8,132,140.81, 11,221,522.54 and 4,868,870.73

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Solution

The fourth proportional to 8,132,140.81, 11,221,522.54 and 4,868,870.73 is: 6,718,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,140.81 : 11,221,522.54 = 4,868,870.73 : x
  2. Step 2: Convert to fraction form
    8,132,140.81/11,221,522.54 = 4,868,870.73/x
  3. Step 3: Cross multiply
    8,132,140.81x = 11,221,522.54 × 4,868,870.73
  4. Step 4: Simplify right side
    8,132,140.81x = 54,636,142,641,041.26
  5. Step 5: Solve for x
    x = 54,636,142,641,041.26/8,132,140.81
  6. Step 6: Final answer
    x = 6,718,543.61

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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.