Home / 9,513,386.96-13,128,509.70-5,162,474.16

Finding the Fourth Proportional to 9,513,386.96, 13,128,509.70 and 5,162,474.16

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Solution

The fourth proportional to 9,513,386.96, 13,128,509.70 and 5,162,474.16 is: 7,124,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,386.96 : 13,128,509.70 = 5,162,474.16 : x
  2. Step 2: Convert to fraction form
    9,513,386.96/13,128,509.70 = 5,162,474.16/x
  3. Step 3: Cross multiply
    9,513,386.96x = 13,128,509.70 × 5,162,474.16
  4. Step 4: Simplify right side
    9,513,386.96x = 67,775,592,085,559.35
  5. Step 5: Solve for x
    x = 67,775,592,085,559.35/9,513,386.96
  6. Step 6: Final answer
    x = 7,124,233.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.