Home / 12,502,653.83-18,753,875.39-9,772,497.68

Finding the Fourth Proportional to 12,502,653.83, 18,753,875.39 and 9,772,497.68

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Solution

The fourth proportional to 12,502,653.83, 18,753,875.39 and 9,772,497.68 is: 14,658,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,653.83 : 18,753,875.39 = 9,772,497.68 : x
  2. Step 2: Convert to fraction form
    12,502,653.83/18,753,875.39 = 9,772,497.68/x
  3. Step 3: Cross multiply
    12,502,653.83x = 18,753,875.39 × 9,772,497.68
  4. Step 4: Simplify right side
    12,502,653.83x = 183,272,203,597,152.25
  5. Step 5: Solve for x
    x = 183,272,203,597,152.25/12,502,653.83
  6. Step 6: Final answer
    x = 14,658,664.17

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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.