Home / 30,164,443.72-45,240,826-11,720,357.08

Finding the Fourth Proportional to 30,164,443.72, 45,240,826 and 11,720,357.08

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Solution

The fourth proportional to 30,164,443.72, 45,240,826 and 11,720,357.08 is: 17,578,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164,443.72 : 45,240,826 = 11,720,357.08 : x
  2. Step 2: Convert to fraction form
    30,164,443.72/45,240,826 = 11,720,357.08/x
  3. Step 3: Cross multiply
    30,164,443.72x = 45,240,826 × 11,720,357.08
  4. Step 4: Simplify right side
    30,164,443.72x = 530,238,635,314,148.06
  5. Step 5: Solve for x
    x = 530,238,635,314,148.06/30,164,443.72
  6. Step 6: Final answer
    x = 17,578,266.66

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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.