Home / 7,122,432.79-9,829,140.24-4,370,640.58

Finding the Fourth Proportional to 7,122,432.79, 9,829,140.24 and 4,370,640.58

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Solution

The fourth proportional to 7,122,432.79, 9,829,140.24 and 4,370,640.58 is: 6,031,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,432.79 : 9,829,140.24 = 4,370,640.58 : x
  2. Step 2: Convert to fraction form
    7,122,432.79/9,829,140.24 = 4,370,640.58/x
  3. Step 3: Cross multiply
    7,122,432.79x = 9,829,140.24 × 4,370,640.58
  4. Step 4: Simplify right side
    7,122,432.79x = 42,959,639,199,454.94
  5. Step 5: Solve for x
    x = 42,959,639,199,454.94/7,122,432.79
  6. Step 6: Final answer
    x = 6,031,596.29

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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.