Home / 20,276,875.77-27,981,018.54-11,574,702.33

Finding the Fourth Proportional to 20,276,875.77, 27,981,018.54 and 11,574,702.33

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Solution

The fourth proportional to 20,276,875.77, 27,981,018.54 and 11,574,702.33 is: 15,972,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276,875.77 : 27,981,018.54 = 11,574,702.33 : x
  2. Step 2: Convert to fraction form
    20,276,875.77/27,981,018.54 = 11,574,702.33/x
  3. Step 3: Cross multiply
    20,276,875.77x = 27,981,018.54 × 11,574,702.33
  4. Step 4: Simplify right side
    20,276,875.77x = 323,871,960,490,711.19
  5. Step 5: Solve for x
    x = 323,871,960,490,711.19/20,276,875.77
  6. Step 6: Final answer
    x = 15,972,478.41

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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.