Home / 28,174,291.90-38,862,456.69-19,349,484.46

Finding the Fourth Proportional to 28,174,291.90, 38,862,456.69 and 19,349,484.46

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Solution

The fourth proportional to 28,174,291.90, 38,862,456.69 and 19,349,484.46 is: 26,689,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174,291.90 : 38,862,456.69 = 19,349,484.46 : x
  2. Step 2: Convert to fraction form
    28,174,291.90/38,862,456.69 = 19,349,484.46/x
  3. Step 3: Cross multiply
    28,174,291.90x = 38,862,456.69 × 19,349,484.46
  4. Step 4: Simplify right side
    28,174,291.90x = 751,968,501,800,578
  5. Step 5: Solve for x
    x = 751,968,501,800,578/28,174,291.90
  6. Step 6: Final answer
    x = 26,689,881.13

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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.