Home / 8,947,304.80-12,347,421.28-4,872,920.64

Finding the Fourth Proportional to 8,947,304.80, 12,347,421.28 and 4,872,920.64

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Solution

The fourth proportional to 8,947,304.80, 12,347,421.28 and 4,872,920.64 is: 6,724,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947,304.80 : 12,347,421.28 = 4,872,920.64 : x
  2. Step 2: Convert to fraction form
    8,947,304.80/12,347,421.28 = 4,872,920.64/x
  3. Step 3: Cross multiply
    8,947,304.80x = 12,347,421.28 × 4,872,920.64
  4. Step 4: Simplify right side
    8,947,304.80x = 60,168,004,006,087.21
  5. Step 5: Solve for x
    x = 60,168,004,006,087.21/8,947,304.80
  6. Step 6: Final answer
    x = 6,724,707.09

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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.