Home / 15,708,636.42-21,678,047.79-8,833,058.34

Finding the Fourth Proportional to 15,708,636.42, 21,678,047.79 and 8,833,058.34

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Solution

The fourth proportional to 15,708,636.42, 21,678,047.79 and 8,833,058.34 is: 12,189,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,636.42 : 21,678,047.79 = 8,833,058.34 : x
  2. Step 2: Convert to fraction form
    15,708,636.42/21,678,047.79 = 8,833,058.34/x
  3. Step 3: Cross multiply
    15,708,636.42x = 21,678,047.79 × 8,833,058.34
  4. Step 4: Simplify right side
    15,708,636.42x = 191,483,460,826,378.06
  5. Step 5: Solve for x
    x = 191,483,460,826,378.06/15,708,636.42
  6. Step 6: Final answer
    x = 12,189,693.34

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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.