Home / 21,094,526.17-31,799,897.05-19,688,361.37

Finding the Fourth Proportional to 21,094,526.17, 31,799,897.05 and 19,688,361.37

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Solution

The fourth proportional to 21,094,526.17, 31,799,897.05 and 19,688,361.37 is: 29,680,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,526.17 : 31,799,897.05 = 19,688,361.37 : x
  2. Step 2: Convert to fraction form
    21,094,526.17/31,799,897.05 = 19,688,361.37/x
  3. Step 3: Cross multiply
    21,094,526.17x = 31,799,897.05 × 19,688,361.37
  4. Step 4: Simplify right side
    21,094,526.17x = 626,087,864,649,197
  5. Step 5: Solve for x
    x = 626,087,864,649,197/21,094,526.17
  6. Step 6: Final answer
    x = 29,680,110.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.