Home / 9,730,730.40-13,427,700.70-5,379,868.88

Finding the Fourth Proportional to 9,730,730.40, 13,427,700.70 and 5,379,868.88

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Solution

The fourth proportional to 9,730,730.40, 13,427,700.70 and 5,379,868.88 is: 7,423,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,730.40 : 13,427,700.70 = 5,379,868.88 : x
  2. Step 2: Convert to fraction form
    9,730,730.40/13,427,700.70 = 5,379,868.88/x
  3. Step 3: Cross multiply
    9,730,730.40x = 13,427,700.70 × 5,379,868.88
  4. Step 4: Simplify right side
    9,730,730.40x = 72,239,269,125,884.20
  5. Step 5: Solve for x
    x = 72,239,269,125,884.20/9,730,730.40
  6. Step 6: Final answer
    x = 7,423,828.03

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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.