Home / 22,399,124.40-30,910,842.78-12,475,927.68

Finding the Fourth Proportional to 22,399,124.40, 30,910,842.78 and 12,475,927.68

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Solution

The fourth proportional to 22,399,124.40, 30,910,842.78 and 12,475,927.68 is: 17,216,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399,124.40 : 30,910,842.78 = 12,475,927.68 : x
  2. Step 2: Convert to fraction form
    22,399,124.40/30,910,842.78 = 12,475,927.68/x
  3. Step 3: Cross multiply
    22,399,124.40x = 30,910,842.78 × 12,475,927.68
  4. Step 4: Simplify right side
    22,399,124.40x = 385,641,439,051,130.12
  5. Step 5: Solve for x
    x = 385,641,439,051,130.12/22,399,124.40
  6. Step 6: Final answer
    x = 17,216,808.66

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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.