Home / 7,700,840.55-10,623,824.06-4,643,356.23

Finding the Fourth Proportional to 7,700,840.55, 10,623,824.06 and 4,643,356.23

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Solution

The fourth proportional to 7,700,840.55, 10,623,824.06 and 4,643,356.23 is: 6,405,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,840.55 : 10,623,824.06 = 4,643,356.23 : x
  2. Step 2: Convert to fraction form
    7,700,840.55/10,623,824.06 = 4,643,356.23/x
  3. Step 3: Cross multiply
    7,700,840.55x = 10,623,824.06 × 4,643,356.23
  4. Step 4: Simplify right side
    7,700,840.55x = 49,330,199,612,208.12
  5. Step 5: Solve for x
    x = 49,330,199,612,208.12/7,700,840.55
  6. Step 6: Final answer
    x = 6,405,820.16

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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.