Home / 9,513,518.14-13,128,689.44-5,162,603.29

Finding the Fourth Proportional to 9,513,518.14, 13,128,689.44 and 5,162,603.29

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Solution

The fourth proportional to 9,513,518.14, 13,128,689.44 and 5,162,603.29 is: 7,124,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,518.14 : 13,128,689.44 = 5,162,603.29 : x
  2. Step 2: Convert to fraction form
    9,513,518.14/13,128,689.44 = 5,162,603.29/x
  3. Step 3: Cross multiply
    9,513,518.14x = 13,128,689.44 × 5,162,603.29
  4. Step 4: Simplify right side
    9,513,518.14x = 67,778,215,269,963.78
  5. Step 5: Solve for x
    x = 67,778,215,269,963.78/9,513,518.14
  6. Step 6: Final answer
    x = 7,124,411.21

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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.