Home / 19,439,055.30-26,825,829.80-11,178,727.62

Finding the Fourth Proportional to 19,439,055.30, 26,825,829.80 and 11,178,727.62

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Solution

The fourth proportional to 19,439,055.30, 26,825,829.80 and 11,178,727.62 is: 15,426,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439,055.30 : 26,825,829.80 = 11,178,727.62 : x
  2. Step 2: Convert to fraction form
    19,439,055.30/26,825,829.80 = 11,178,727.62/x
  3. Step 3: Cross multiply
    19,439,055.30x = 26,825,829.80 × 11,178,727.62
  4. Step 4: Simplify right side
    19,439,055.30x = 299,878,644,514,679.06
  5. Step 5: Solve for x
    x = 299,878,644,514,679.06/19,439,055.30
  6. Step 6: Final answer
    x = 15,426,605.87

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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.