Home / 21,018,923.48-29,006,132.59-11,726,495.46

Finding the Fourth Proportional to 21,018,923.48, 29,006,132.59 and 11,726,495.46

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Solution

The fourth proportional to 21,018,923.48, 29,006,132.59 and 11,726,495.46 is: 16,182,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,923.48 : 29,006,132.59 = 11,726,495.46 : x
  2. Step 2: Convert to fraction form
    21,018,923.48/29,006,132.59 = 11,726,495.46/x
  3. Step 3: Cross multiply
    21,018,923.48x = 29,006,132.59 × 11,726,495.46
  4. Step 4: Simplify right side
    21,018,923.48x = 340,140,282,167,746.31
  5. Step 5: Solve for x
    x = 340,140,282,167,746.31/21,018,923.48
  6. Step 6: Final answer
    x = 16,182,573.88

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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.