Home / 19,205,987.64-28,776,996.18-13,514,254.26

Finding the Fourth Proportional to 19,205,987.64, 28,776,996.18 and 13,514,254.26

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Solution

The fourth proportional to 19,205,987.64, 28,776,996.18 and 13,514,254.26 is: 20,248,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,987.64 : 28,776,996.18 = 13,514,254.26 : x
  2. Step 2: Convert to fraction form
    19,205,987.64/28,776,996.18 = 13,514,254.26/x
  3. Step 3: Cross multiply
    19,205,987.64x = 28,776,996.18 × 13,514,254.26
  4. Step 4: Simplify right side
    19,205,987.64x = 388,899,643,215,568.69
  5. Step 5: Solve for x
    x = 388,899,643,215,568.69/19,205,987.64
  6. Step 6: Final answer
    x = 20,248,875.01

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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.