Home / 21,913,157.08-30,237,498.51-12,623,734.47

Finding the Fourth Proportional to 21,913,157.08, 30,237,498.51 and 12,623,734.47

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Solution

The fourth proportional to 21,913,157.08, 30,237,498.51 and 12,623,734.47 is: 17,419,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,157.08 : 30,237,498.51 = 12,623,734.47 : x
  2. Step 2: Convert to fraction form
    21,913,157.08/30,237,498.51 = 12,623,734.47/x
  3. Step 3: Cross multiply
    21,913,157.08x = 30,237,498.51 × 12,623,734.47
  4. Step 4: Simplify right side
    21,913,157.08x = 381,710,152,387,990.31
  5. Step 5: Solve for x
    x = 381,710,152,387,990.31/21,913,157.08
  6. Step 6: Final answer
    x = 17,419,222.21

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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.