Home / 30,410,017.88-41,966,868.84-16,658,978.36

Finding the Fourth Proportional to 30,410,017.88, 41,966,868.84 and 16,658,978.36

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Solution

The fourth proportional to 30,410,017.88, 41,966,868.84 and 16,658,978.36 is: 22,989,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410,017.88 : 41,966,868.84 = 16,658,978.36 : x
  2. Step 2: Convert to fraction form
    30,410,017.88/41,966,868.84 = 16,658,978.36/x
  3. Step 3: Cross multiply
    30,410,017.88x = 41,966,868.84 × 16,658,978.36
  4. Step 4: Simplify right side
    30,410,017.88x = 699,125,159,842,518.38
  5. Step 5: Solve for x
    x = 699,125,159,842,518.38/30,410,017.88
  6. Step 6: Final answer
    x = 22,989,962.14

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1.5x scale

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.