Home / 12,624,040.59-18,908,657.10-7,751,557.01

Finding the Fourth Proportional to 12,624,040.59, 18,908,657.10 and 7,751,557.01

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Solution

The fourth proportional to 12,624,040.59, 18,908,657.10 and 7,751,557.01 is: 11,610,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,040.59 : 18,908,657.10 = 7,751,557.01 : x
  2. Step 2: Convert to fraction form
    12,624,040.59/18,908,657.10 = 7,751,557.01/x
  3. Step 3: Cross multiply
    12,624,040.59x = 18,908,657.10 × 7,751,557.01
  4. Step 4: Simplify right side
    12,624,040.59x = 146,571,533,398,648
  5. Step 5: Solve for x
    x = 146,571,533,398,648/12,624,040.59
  6. Step 6: Final answer
    x = 11,610,508.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.