Home / 12,586,268.34-18,870,654.51-6,426,276.66

Finding the Fourth Proportional to 12,586,268.34, 18,870,654.51 and 6,426,276.66

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Solution

The fourth proportional to 12,586,268.34, 18,870,654.51 and 6,426,276.66 is: 9,634,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,268.34 : 18,870,654.51 = 6,426,276.66 : x
  2. Step 2: Convert to fraction form
    12,586,268.34/18,870,654.51 = 6,426,276.66/x
  3. Step 3: Cross multiply
    12,586,268.34x = 18,870,654.51 × 6,426,276.66
  4. Step 4: Simplify right side
    12,586,268.34x = 121,268,046,636,536.75
  5. Step 5: Solve for x
    x = 121,268,046,636,536.75/12,586,268.34
  6. Step 6: Final answer
    x = 9,634,948.45

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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.