Home / 9,518,315.74-13,135,428.36-5,167,398.60

Finding the Fourth Proportional to 9,518,315.74, 13,135,428.36 and 5,167,398.60

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Solution

The fourth proportional to 9,518,315.74, 13,135,428.36 and 5,167,398.60 is: 7,131,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518,315.74 : 13,135,428.36 = 5,167,398.60 : x
  2. Step 2: Convert to fraction form
    9,518,315.74/13,135,428.36 = 5,167,398.60/x
  3. Step 3: Cross multiply
    9,518,315.74x = 13,135,428.36 × 5,167,398.60
  4. Step 4: Simplify right side
    9,518,315.74x = 67,875,994,117,864.29
  5. Step 5: Solve for x
    x = 67,875,994,117,864.29/9,518,315.74
  6. Step 6: Final answer
    x = 7,131,092.93

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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.