Home / 7,339,345.53-10,128,422.03-4,031,779.18

Finding the Fourth Proportional to 7,339,345.53, 10,128,422.03 and 4,031,779.18

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Solution

The fourth proportional to 7,339,345.53, 10,128,422.03 and 4,031,779.18 is: 5,563,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,345.53 : 10,128,422.03 = 4,031,779.18 : x
  2. Step 2: Convert to fraction form
    7,339,345.53/10,128,422.03 = 4,031,779.18/x
  3. Step 3: Cross multiply
    7,339,345.53x = 10,128,422.03 × 4,031,779.18
  4. Step 4: Simplify right side
    7,339,345.53x = 40,835,561,021,327.39
  5. Step 5: Solve for x
    x = 40,835,561,021,327.39/7,339,345.53
  6. Step 6: Final answer
    x = 5,563,924.04

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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.