Home / 9,660,557.60-13,331,580.24-5,309,642.72

Finding the Fourth Proportional to 9,660,557.60, 13,331,580.24 and 5,309,642.72

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Solution

The fourth proportional to 9,660,557.60, 13,331,580.24 and 5,309,642.72 is: 7,327,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,557.60 : 13,331,580.24 = 5,309,642.72 : x
  2. Step 2: Convert to fraction form
    9,660,557.60/13,331,580.24 = 5,309,642.72/x
  3. Step 3: Cross multiply
    9,660,557.60x = 13,331,580.24 × 5,309,642.72
  4. Step 4: Simplify right side
    9,660,557.60x = 70,785,927,967,411.84
  5. Step 5: Solve for x
    x = 70,785,927,967,411.84/9,660,557.60
  6. Step 6: Final answer
    x = 7,327,312.86

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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.