Home / 19,676,689.31-27,153,925.65-10,856,140.08

Finding the Fourth Proportional to 19,676,689.31, 27,153,925.65 and 10,856,140.08

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Solution

The fourth proportional to 19,676,689.31, 27,153,925.65 and 10,856,140.08 is: 14,981,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676,689.31 : 27,153,925.65 = 10,856,140.08 : x
  2. Step 2: Convert to fraction form
    19,676,689.31/27,153,925.65 = 10,856,140.08/x
  3. Step 3: Cross multiply
    19,676,689.31x = 27,153,925.65 × 10,856,140.08
  4. Step 4: Simplify right side
    19,676,689.31x = 294,786,820,718,947.44
  5. Step 5: Solve for x
    x = 294,786,820,718,947.44/19,676,689.31
  6. Step 6: Final answer
    x = 14,981,525.40

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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.