Home / 12,877,153.66-19,297,788.58-9,678,549.52

Finding the Fourth Proportional to 12,877,153.66, 19,297,788.58 and 9,678,549.52

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Solution

The fourth proportional to 12,877,153.66, 19,297,788.58 and 9,678,549.52 is: 14,504,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,153.66 : 19,297,788.58 = 9,678,549.52 : x
  2. Step 2: Convert to fraction form
    12,877,153.66/19,297,788.58 = 9,678,549.52/x
  3. Step 3: Cross multiply
    12,877,153.66x = 19,297,788.58 × 9,678,549.52
  4. Step 4: Simplify right side
    12,877,153.66x = 186,774,602,398,020.47
  5. Step 5: Solve for x
    x = 186,774,602,398,020.47/12,877,153.66
  6. Step 6: Final answer
    x = 14,504,339.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.