Home / 7,913,277.20-10,920,322.54-4,291,605.20

Finding the Fourth Proportional to 7,913,277.20, 10,920,322.54 and 4,291,605.20

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Solution

The fourth proportional to 7,913,277.20, 10,920,322.54 and 4,291,605.20 is: 5,922,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,277.20 : 10,920,322.54 = 4,291,605.20 : x
  2. Step 2: Convert to fraction form
    7,913,277.20/10,920,322.54 = 4,291,605.20/x
  3. Step 3: Cross multiply
    7,913,277.20x = 10,920,322.54 × 4,291,605.20
  4. Step 4: Simplify right side
    7,913,277.20x = 46,865,713,017,360.62
  5. Step 5: Solve for x
    x = 46,865,713,017,360.62/7,913,277.20
  6. Step 6: Final answer
    x = 5,922,415.18

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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.