Home / 15,852,995.36-21,877,262.16-8,609,703.20

Finding the Fourth Proportional to 15,852,995.36, 21,877,262.16 and 8,609,703.20

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Solution

The fourth proportional to 15,852,995.36, 21,877,262.16 and 8,609,703.20 is: 11,881,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852,995.36 : 21,877,262.16 = 8,609,703.20 : x
  2. Step 2: Convert to fraction form
    15,852,995.36/21,877,262.16 = 8,609,703.20/x
  3. Step 3: Cross multiply
    15,852,995.36x = 21,877,262.16 × 8,609,703.20
  4. Step 4: Simplify right side
    15,852,995.36x = 188,356,734,026,190.91
  5. Step 5: Solve for x
    x = 188,356,734,026,190.91/15,852,995.36
  6. Step 6: Final answer
    x = 11,881,460.24

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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.