Home / 31,115,772.28-42,938,639.77-17,176,828.00

Finding the Fourth Proportional to 31,115,772.28, 42,938,639.77 and 17,176,828.00

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Solution

The fourth proportional to 31,115,772.28, 42,938,639.77 and 17,176,828.00 is: 23,703,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,772.28 : 42,938,639.77 = 17,176,828.00 : x
  2. Step 2: Convert to fraction form
    31,115,772.28/42,938,639.77 = 17,176,828.00/x
  3. Step 3: Cross multiply
    31,115,772.28x = 42,938,639.77 × 17,176,828.00
  4. Step 4: Simplify right side
    31,115,772.28x = 737,549,629,881,924.38
  5. Step 5: Solve for x
    x = 737,549,629,881,924.38/31,115,772.28
  6. Step 6: Final answer
    x = 23,703,401.07

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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.