Home / 7,920,488.34-10,928,400.54-4,482,729.38

Finding the Fourth Proportional to 7,920,488.34, 10,928,400.54 and 4,482,729.38

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Solution

The fourth proportional to 7,920,488.34, 10,928,400.54 and 4,482,729.38 is: 6,185,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,488.34 : 10,928,400.54 = 4,482,729.38 : x
  2. Step 2: Convert to fraction form
    7,920,488.34/10,928,400.54 = 4,482,729.38/x
  3. Step 3: Cross multiply
    7,920,488.34x = 10,928,400.54 × 4,482,729.38
  4. Step 4: Simplify right side
    7,920,488.34x = 48,989,062,177,065.86
  5. Step 5: Solve for x
    x = 48,989,062,177,065.86/7,920,488.34
  6. Step 6: Final answer
    x = 6,185,106.28

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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.