Home / 9,730,729.40-13,427,699.32-5,379,867.88

Finding the Fourth Proportional to 9,730,729.40, 13,427,699.32 and 5,379,867.88

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Solution

The fourth proportional to 9,730,729.40, 13,427,699.32 and 5,379,867.88 is: 7,423,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,729.40 : 13,427,699.32 = 5,379,867.88 : x
  2. Step 2: Convert to fraction form
    9,730,729.40/13,427,699.32 = 5,379,867.88/x
  3. Step 3: Cross multiply
    9,730,729.40x = 13,427,699.32 × 5,379,867.88
  4. Step 4: Simplify right side
    9,730,729.40x = 72,239,248,273,965.84
  5. Step 5: Solve for x
    x = 72,239,248,273,965.84/9,730,729.40
  6. Step 6: Final answer
    x = 7,423,826.65

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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.