Home / 7,113,306.09-10,669,986.93-1,721,947.71

Finding the Fourth Proportional to 7,113,306.09, 10,669,986.93 and 1,721,947.71

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Solution

The fourth proportional to 7,113,306.09, 10,669,986.93 and 1,721,947.71 is: 2,582,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,306.09 : 10,669,986.93 = 1,721,947.71 : x
  2. Step 2: Convert to fraction form
    7,113,306.09/10,669,986.93 = 1,721,947.71/x
  3. Step 3: Cross multiply
    7,113,306.09x = 10,669,986.93 × 1,721,947.71
  4. Step 4: Simplify right side
    7,113,306.09x = 18,373,159,606,313.19
  5. Step 5: Solve for x
    x = 18,373,159,606,313.19/7,113,306.09
  6. Step 6: Final answer
    x = 2,582,928.30

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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.