Home / 9,415,485.40-14,104,322.82-7,969,978.84

Finding the Fourth Proportional to 9,415,485.40, 14,104,322.82 and 7,969,978.84

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Solution

The fourth proportional to 9,415,485.40, 14,104,322.82 and 7,969,978.84 is: 11,938,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,485.40 : 14,104,322.82 = 7,969,978.84 : x
  2. Step 2: Convert to fraction form
    9,415,485.40/14,104,322.82 = 7,969,978.84/x
  3. Step 3: Cross multiply
    9,415,485.40x = 14,104,322.82 × 7,969,978.84
  4. Step 4: Simplify right side
    9,415,485.40x = 112,411,154,427,929.12
  5. Step 5: Solve for x
    x = 112,411,154,427,929.12/9,415,485.40
  6. Step 6: Final answer
    x = 11,938,965.40

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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.