Home / 13,216,484.65-19,824,290.75-5,435,129.65

Finding the Fourth Proportional to 13,216,484.65, 19,824,290.75 and 5,435,129.65

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Solution

The fourth proportional to 13,216,484.65, 19,824,290.75 and 5,435,129.65 is: 8,152,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,484.65 : 19,824,290.75 = 5,435,129.65 : x
  2. Step 2: Convert to fraction form
    13,216,484.65/19,824,290.75 = 5,435,129.65/x
  3. Step 3: Cross multiply
    13,216,484.65x = 19,824,290.75 × 5,435,129.65
  4. Step 4: Simplify right side
    13,216,484.65x = 107,747,590,418,370.11
  5. Step 5: Solve for x
    x = 107,747,590,418,370.11/13,216,484.65
  6. Step 6: Final answer
    x = 8,152,515.08

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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.