Home / 9,671,967.12-13,347,314.63-5,320,960

Finding the Fourth Proportional to 9,671,967.12, 13,347,314.63 and 5,320,960

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Solution

The fourth proportional to 9,671,967.12, 13,347,314.63 and 5,320,960 is: 7,342,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671,967.12 : 13,347,314.63 = 5,320,960 : x
  2. Step 2: Convert to fraction form
    9,671,967.12/13,347,314.63 = 5,320,960/x
  3. Step 3: Cross multiply
    9,671,967.12x = 13,347,314.63 × 5,320,960
  4. Step 4: Simplify right side
    9,671,967.12x = 71,020,527,253,644.80
  5. Step 5: Solve for x
    x = 71,020,527,253,644.80/9,671,967.12
  6. Step 6: Final answer
    x = 7,342,924.80

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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.