Home / 12,875,543.93-19,310,319.68-4,792,326.32

Finding the Fourth Proportional to 12,875,543.93, 19,310,319.68 and 4,792,326.32

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Solution

The fourth proportional to 12,875,543.93, 19,310,319.68 and 4,792,326.32 is: 7,187,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,543.93 : 19,310,319.68 = 4,792,326.32 : x
  2. Step 2: Convert to fraction form
    12,875,543.93/19,310,319.68 = 4,792,326.32/x
  3. Step 3: Cross multiply
    12,875,543.93x = 19,310,319.68 × 4,792,326.32
  4. Step 4: Simplify right side
    12,875,543.93x = 92,541,353,129,564.77
  5. Step 5: Solve for x
    x = 92,541,353,129,564.77/12,875,543.93
  6. Step 6: Final answer
    x = 7,187,374.27

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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.