Home / 9,767,279.40-13,477,731.39-5,415,266.04

Finding the Fourth Proportional to 9,767,279.40, 13,477,731.39 and 5,415,266.04

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Solution

The fourth proportional to 9,767,279.40, 13,477,731.39 and 5,415,266.04 is: 7,472,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767,279.40 : 13,477,731.39 = 5,415,266.04 : x
  2. Step 2: Convert to fraction form
    9,767,279.40/13,477,731.39 = 5,415,266.04/x
  3. Step 3: Cross multiply
    9,767,279.40x = 13,477,731.39 × 5,415,266.04
  4. Step 4: Simplify right side
    9,767,279.40x = 72,985,501,092,509
  5. Step 5: Solve for x
    x = 72,985,501,092,509/9,767,279.40
  6. Step 6: Final answer
    x = 7,472,449.40

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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.