Home / 7,155,158.51-9,879,661.08-5,498,681.82

Finding the Fourth Proportional to 7,155,158.51, 9,879,661.08 and 5,498,681.82

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Solution

The fourth proportional to 7,155,158.51, 9,879,661.08 and 5,498,681.82 is: 7,592,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,158.51 : 9,879,661.08 = 5,498,681.82 : x
  2. Step 2: Convert to fraction form
    7,155,158.51/9,879,661.08 = 5,498,681.82/x
  3. Step 3: Cross multiply
    7,155,158.51x = 9,879,661.08 × 5,498,681.82
  4. Step 4: Simplify right side
    7,155,158.51x = 54,325,112,768,357.57
  5. Step 5: Solve for x
    x = 54,325,112,768,357.57/7,155,158.51
  6. Step 6: Final answer
    x = 7,592,440.16

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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.