Home / 7,921,030.88-11,879,643.90-3,657,102.32

Finding the Fourth Proportional to 7,921,030.88, 11,879,643.90 and 3,657,102.32

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Solution

The fourth proportional to 7,921,030.88, 11,879,643.90 and 3,657,102.32 is: 5,484,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,030.88 : 11,879,643.90 = 3,657,102.32 : x
  2. Step 2: Convert to fraction form
    7,921,030.88/11,879,643.90 = 3,657,102.32/x
  3. Step 3: Cross multiply
    7,921,030.88x = 11,879,643.90 × 3,657,102.32
  4. Step 4: Simplify right side
    7,921,030.88x = 43,445,073,267,463.84
  5. Step 5: Solve for x
    x = 43,445,073,267,463.84/7,921,030.88
  6. Step 6: Final answer
    x = 5,484,775.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.