Home / 21,019,333.34-29,006,018.70-12,323,296.46

Finding the Fourth Proportional to 21,019,333.34, 29,006,018.70 and 12,323,296.46

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Solution

The fourth proportional to 21,019,333.34, 29,006,018.70 and 12,323,296.46 is: 17,005,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,333.34 : 29,006,018.70 = 12,323,296.46 : x
  2. Step 2: Convert to fraction form
    21,019,333.34/29,006,018.70 = 12,323,296.46/x
  3. Step 3: Cross multiply
    21,019,333.34x = 29,006,018.70 × 12,323,296.46
  4. Step 4: Simplify right side
    21,019,333.34x = 357,449,767,590,706.50
  5. Step 5: Solve for x
    x = 357,449,767,590,706.50/21,019,333.34
  6. Step 6: Final answer
    x = 17,005,761.40

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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.