Home / 15,528,001.82-21,430,237.08-9,335,053.43

Finding the Fourth Proportional to 15,528,001.82, 21,430,237.08 and 9,335,053.43

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Solution

The fourth proportional to 15,528,001.82, 21,430,237.08 and 9,335,053.43 is: 12,883,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,001.82 : 21,430,237.08 = 9,335,053.43 : x
  2. Step 2: Convert to fraction form
    15,528,001.82/21,430,237.08 = 9,335,053.43/x
  3. Step 3: Cross multiply
    15,528,001.82x = 21,430,237.08 × 9,335,053.43
  4. Step 4: Simplify right side
    15,528,001.82x = 200,052,408,159,367.16
  5. Step 5: Solve for x
    x = 200,052,408,159,367.16/15,528,001.82
  6. Step 6: Final answer
    x = 12,883,332.35

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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.