Home / 9,174,548.70-12,659,460-5,307,429.72

Finding the Fourth Proportional to 9,174,548.70, 12,659,460 and 5,307,429.72

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Solution

The fourth proportional to 9,174,548.70, 12,659,460 and 5,307,429.72 is: 7,323,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174,548.70 : 12,659,460 = 5,307,429.72 : x
  2. Step 2: Convert to fraction form
    9,174,548.70/12,659,460 = 5,307,429.72/x
  3. Step 3: Cross multiply
    9,174,548.70x = 12,659,460 × 5,307,429.72
  4. Step 4: Simplify right side
    9,174,548.70x = 67,189,194,243,151.20
  5. Step 5: Solve for x
    x = 67,189,194,243,151.20/9,174,548.70
  6. Step 6: Final answer
    x = 7,323,433.17

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1.5x scale

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.