Home / 6,983,321.40-9,641,411.10-4,781,868.12

Finding the Fourth Proportional to 6,983,321.40, 9,641,411.10 and 4,781,868.12

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Solution

The fourth proportional to 6,983,321.40, 9,641,411.10 and 4,781,868.12 is: 6,602,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983,321.40 : 9,641,411.10 = 4,781,868.12 : x
  2. Step 2: Convert to fraction form
    6,983,321.40/9,641,411.10 = 4,781,868.12/x
  3. Step 3: Cross multiply
    6,983,321.40x = 9,641,411.10 × 4,781,868.12
  4. Step 4: Simplify right side
    6,983,321.40x = 46,103,956,370,904.13
  5. Step 5: Solve for x
    x = 46,103,956,370,904.13/6,983,321.40
  6. Step 6: Final answer
    x = 6,602,009.81

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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.