Home / 21,626,453,818.47-32,449,003,011.89-11,675,921,862.95

Finding the Fourth Proportional to 21,626,453,818.47, 32,449,003,011.89 and 11,675,921,862.95

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Solution

The fourth proportional to 21,626,453,818.47, 32,449,003,011.89 and 11,675,921,862.95 is: 17,518,915,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626,453,818.47 : 32,449,003,011.89 = 11,675,921,862.95 : x
  2. Step 2: Convert to fraction form
    21,626,453,818.47/32,449,003,011.89 = 11,675,921,862.95/x
  3. Step 3: Cross multiply
    21,626,453,818.47x = 32,449,003,011.89 × 11,675,921,862.95
  4. Step 4: Simplify right side
    21,626,453,818.47x = 378,872,023,697,456,889,856
  5. Step 5: Solve for x
    x = 378,872,023,697,456,889,856/21,626,453,818.47
  6. Step 6: Final answer
    x = 17,518,915,809.21

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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.