Home / 28,702,549.20-39,614,061.56-17,106,838.68

Finding the Fourth Proportional to 28,702,549.20, 39,614,061.56 and 17,106,838.68

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Solution

The fourth proportional to 28,702,549.20, 39,614,061.56 and 17,106,838.68 is: 23,610,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,549.20 : 39,614,061.56 = 17,106,838.68 : x
  2. Step 2: Convert to fraction form
    28,702,549.20/39,614,061.56 = 17,106,838.68/x
  3. Step 3: Cross multiply
    28,702,549.20x = 39,614,061.56 × 17,106,838.68
  4. Step 4: Simplify right side
    28,702,549.20x = 677,671,360,566,509.12
  5. Step 5: Solve for x
    x = 677,671,360,566,509.12/28,702,549.20
  6. Step 6: Final answer
    x = 23,610,145.42

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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.