Home / 21,360,788.10-32,041,182.15-5,186,630.43

Finding the Fourth Proportional to 21,360,788.10, 32,041,182.15 and 5,186,630.43

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Solution

The fourth proportional to 21,360,788.10, 32,041,182.15 and 5,186,630.43 is: 7,779,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,788.10 : 32,041,182.15 = 5,186,630.43 : x
  2. Step 2: Convert to fraction form
    21,360,788.10/32,041,182.15 = 5,186,630.43/x
  3. Step 3: Cross multiply
    21,360,788.10x = 32,041,182.15 × 5,186,630.43
  4. Step 4: Simplify right side
    21,360,788.10x = 166,185,770,352,362.81
  5. Step 5: Solve for x
    x = 166,185,770,352,362.81/21,360,788.10
  6. Step 6: Final answer
    x = 7,779,945.65

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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.