Home / 30,447,570.24-42,018,192.19-16,509,395.51

Finding the Fourth Proportional to 30,447,570.24, 42,018,192.19 and 16,509,395.51

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Solution

The fourth proportional to 30,447,570.24, 42,018,192.19 and 16,509,395.51 is: 22,783,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447,570.24 : 42,018,192.19 = 16,509,395.51 : x
  2. Step 2: Convert to fraction form
    30,447,570.24/42,018,192.19 = 16,509,395.51/x
  3. Step 3: Cross multiply
    30,447,570.24x = 42,018,192.19 × 16,509,395.51
  4. Step 4: Simplify right side
    30,447,570.24x = 693,694,953,322,334.75
  5. Step 5: Solve for x
    x = 693,694,953,322,334.75/30,447,570.24
  6. Step 6: Final answer
    x = 22,783,261.45

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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.