Home / 21,790,154.64-30,073,682.56-16,554,547.28

Finding the Fourth Proportional to 21,790,154.64, 30,073,682.56 and 16,554,547.28

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Solution

The fourth proportional to 21,790,154.64, 30,073,682.56 and 16,554,547.28 is: 22,847,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,154.64 : 30,073,682.56 = 16,554,547.28 : x
  2. Step 2: Convert to fraction form
    21,790,154.64/30,073,682.56 = 16,554,547.28/x
  3. Step 3: Cross multiply
    21,790,154.64x = 30,073,682.56 × 16,554,547.28
  4. Step 4: Simplify right side
    21,790,154.64x = 497,856,199,823,231.38
  5. Step 5: Solve for x
    x = 497,856,199,823,231.38/21,790,154.64
  6. Step 6: Final answer
    x = 22,847,758.91

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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.