Home / 12,567,148.32-17,342,893.98-6,985,918.92

Finding the Fourth Proportional to 12,567,148.32, 17,342,893.98 and 6,985,918.92

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Solution

The fourth proportional to 12,567,148.32, 17,342,893.98 and 6,985,918.92 is: 9,640,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,148.32 : 17,342,893.98 = 6,985,918.92 : x
  2. Step 2: Convert to fraction form
    12,567,148.32/17,342,893.98 = 6,985,918.92/x
  3. Step 3: Cross multiply
    12,567,148.32x = 17,342,893.98 × 6,985,918.92
  4. Step 4: Simplify right side
    12,567,148.32x = 121,156,051,182,436.11
  5. Step 5: Solve for x
    x = 121,156,051,182,436.11/12,567,148.32
  6. Step 6: Final answer
    x = 9,640,695.57

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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.