Home / 9,319,178.32-12,860,879.88-5,245,061.20

Finding the Fourth Proportional to 9,319,178.32, 12,860,879.88 and 5,245,061.20

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Solution

The fourth proportional to 9,319,178.32, 12,860,879.88 and 5,245,061.20 is: 7,238,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319,178.32 : 12,860,879.88 = 5,245,061.20 : x
  2. Step 2: Convert to fraction form
    9,319,178.32/12,860,879.88 = 5,245,061.20/x
  3. Step 3: Cross multiply
    9,319,178.32x = 12,860,879.88 × 5,245,061.20
  4. Step 4: Simplify right side
    9,319,178.32x = 67,456,102,056,448.66
  5. Step 5: Solve for x
    x = 67,456,102,056,448.66/9,319,178.32
  6. Step 6: Final answer
    x = 7,238,417.35

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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.