Home / 12,583,388-18,875,151.12-3,127,772

Finding the Fourth Proportional to 12,583,388, 18,875,151.12 and 3,127,772

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Solution

The fourth proportional to 12,583,388, 18,875,151.12 and 3,127,772 is: 4,691,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,388 : 18,875,151.12 = 3,127,772 : x
  2. Step 2: Convert to fraction form
    12,583,388/18,875,151.12 = 3,127,772/x
  3. Step 3: Cross multiply
    12,583,388x = 18,875,151.12 × 3,127,772
  4. Step 4: Simplify right side
    12,583,388x = 59,037,169,168,904.64
  5. Step 5: Solve for x
    x = 59,037,169,168,904.64/12,583,388
  6. Step 6: Final answer
    x = 4,691,675.18

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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.