Home / 19,255,570.60-26,569,203.78-12,378,476.20

Finding the Fourth Proportional to 19,255,570.60, 26,569,203.78 and 12,378,476.20

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Solution

The fourth proportional to 19,255,570.60, 26,569,203.78 and 12,378,476.20 is: 17,080,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255,570.60 : 26,569,203.78 = 12,378,476.20 : x
  2. Step 2: Convert to fraction form
    19,255,570.60/26,569,203.78 = 12,378,476.20/x
  3. Step 3: Cross multiply
    19,255,570.60x = 26,569,203.78 × 12,378,476.20
  4. Step 4: Simplify right side
    19,255,570.60x = 328,886,256,643,680
  5. Step 5: Solve for x
    x = 328,886,256,643,680/19,255,570.60
  6. Step 6: Final answer
    x = 17,080,057.69

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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.