Home / 9,709,920.45-14,552,701.73-5,149,713.81

Finding the Fourth Proportional to 9,709,920.45, 14,552,701.73 and 5,149,713.81

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Solution

The fourth proportional to 9,709,920.45, 14,552,701.73 and 5,149,713.81 is: 7,718,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,920.45 : 14,552,701.73 = 5,149,713.81 : x
  2. Step 2: Convert to fraction form
    9,709,920.45/14,552,701.73 = 5,149,713.81/x
  3. Step 3: Cross multiply
    9,709,920.45x = 14,552,701.73 × 5,149,713.81
  4. Step 4: Simplify right side
    9,709,920.45x = 74,942,249,046,043.31
  5. Step 5: Solve for x
    x = 74,942,249,046,043.31/9,709,920.45
  6. Step 6: Final answer
    x = 7,718,111.54

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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.