Home / 9,107,053.76-12,569,289.01-5,436,159.68

Finding the Fourth Proportional to 9,107,053.76, 12,569,289.01 and 5,436,159.68

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Solution

The fourth proportional to 9,107,053.76, 12,569,289.01 and 5,436,159.68 is: 7,502,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,053.76 : 12,569,289.01 = 5,436,159.68 : x
  2. Step 2: Convert to fraction form
    9,107,053.76/12,569,289.01 = 5,436,159.68/x
  3. Step 3: Cross multiply
    9,107,053.76x = 12,569,289.01 × 5,436,159.68
  4. Step 4: Simplify right side
    9,107,053.76x = 68,328,662,150,291.12
  5. Step 5: Solve for x
    x = 68,328,662,150,291.12/9,107,053.76
  6. Step 6: Final answer
    x = 7,502,828.46

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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.