Home / 42,965,981.66-64,448,341.44-10,617,883.32

Finding the Fourth Proportional to 42,965,981.66, 64,448,341.44 and 10,617,883.32

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Solution

The fourth proportional to 42,965,981.66, 64,448,341.44 and 10,617,883.32 is: 15,926,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965,981.66 : 64,448,341.44 = 10,617,883.32 : x
  2. Step 2: Convert to fraction form
    42,965,981.66/64,448,341.44 = 10,617,883.32/x
  3. Step 3: Cross multiply
    42,965,981.66x = 64,448,341.44 × 10,617,883.32
  4. Step 4: Simplify right side
    42,965,981.66x = 684,304,969,577,440.75
  5. Step 5: Solve for x
    x = 684,304,969,577,440.75/42,965,981.66
  6. Step 6: Final answer
    x = 15,926,669.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.