Home / 9,893,319.40-14,839,979.10-7,342,402.60

Finding the Fourth Proportional to 9,893,319.40, 14,839,979.10 and 7,342,402.60

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Solution

The fourth proportional to 9,893,319.40, 14,839,979.10 and 7,342,402.60 is: 11,013,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893,319.40 : 14,839,979.10 = 7,342,402.60 : x
  2. Step 2: Convert to fraction form
    9,893,319.40/14,839,979.10 = 7,342,402.60/x
  3. Step 3: Cross multiply
    9,893,319.40x = 14,839,979.10 × 7,342,402.60
  4. Step 4: Simplify right side
    9,893,319.40x = 108,961,101,127,785.66
  5. Step 5: Solve for x
    x = 108,961,101,127,785.66/9,893,319.40
  6. Step 6: Final answer
    x = 11,013,603.90

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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.