Home / 7,913,278.80-10,920,324.74-4,291,606.80

Finding the Fourth Proportional to 7,913,278.80, 10,920,324.74 and 4,291,606.80

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Solution

The fourth proportional to 7,913,278.80, 10,920,324.74 and 4,291,606.80 is: 5,922,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,278.80 : 10,920,324.74 = 4,291,606.80 : x
  2. Step 2: Convert to fraction form
    7,913,278.80/10,920,324.74 = 4,291,606.80/x
  3. Step 3: Cross multiply
    7,913,278.80x = 10,920,324.74 × 4,291,606.80
  4. Step 4: Simplify right side
    7,913,278.80x = 46,865,739,890,934.20
  5. Step 5: Solve for x
    x = 46,865,739,890,934.20/7,913,278.80
  6. Step 6: Final answer
    x = 5,922,417.38

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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.