Home / 21,753,509.16-30,020,043.69-11,830,486.17

Finding the Fourth Proportional to 21,753,509.16, 30,020,043.69 and 11,830,486.17

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Solution

The fourth proportional to 21,753,509.16, 30,020,043.69 and 11,830,486.17 is: 16,326,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753,509.16 : 30,020,043.69 = 11,830,486.17 : x
  2. Step 2: Convert to fraction form
    21,753,509.16/30,020,043.69 = 11,830,486.17/x
  3. Step 3: Cross multiply
    21,753,509.16x = 30,020,043.69 × 11,830,486.17
  4. Step 4: Simplify right side
    21,753,509.16x = 355,151,711,697,340.75
  5. Step 5: Solve for x
    x = 355,151,711,697,340.75/21,753,509.16
  6. Step 6: Final answer
    x = 16,326,180.25

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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.