Home / 28,027,477.08-38,677,864.92-15,636,833.28

Finding the Fourth Proportional to 28,027,477.08, 38,677,864.92 and 15,636,833.28

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Solution

The fourth proportional to 28,027,477.08, 38,677,864.92 and 15,636,833.28 is: 21,578,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,477.08 : 38,677,864.92 = 15,636,833.28 : x
  2. Step 2: Convert to fraction form
    28,027,477.08/38,677,864.92 = 15,636,833.28/x
  3. Step 3: Cross multiply
    28,027,477.08x = 38,677,864.92 × 15,636,833.28
  4. Step 4: Simplify right side
    28,027,477.08x = 604,799,325,380,400.50
  5. Step 5: Solve for x
    x = 604,799,325,380,400.50/28,027,477.08
  6. Step 6: Final answer
    x = 21,578,800.11

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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.