Home / 21,152,402.40-31,678,837.20-21,152,402.40

Finding the Fourth Proportional to 21,152,402.40, 31,678,837.20 and 21,152,402.40

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Solution

The fourth proportional to 21,152,402.40, 31,678,837.20 and 21,152,402.40 is: 31,678,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,402.40 : 31,678,837.20 = 21,152,402.40 : x
  2. Step 2: Convert to fraction form
    21,152,402.40/31,678,837.20 = 21,152,402.40/x
  3. Step 3: Cross multiply
    21,152,402.40x = 31,678,837.20 × 21,152,402.40
  4. Step 4: Simplify right side
    21,152,402.40x = 670,083,512,018,489.25
  5. Step 5: Solve for x
    x = 670,083,512,018,489.25/21,152,402.40
  6. Step 6: Final answer
    x = 31,678,837.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.