Home / 12,986,553.60-19,479,830.40-5,894,841.60

Finding the Fourth Proportional to 12,986,553.60, 19,479,830.40 and 5,894,841.60

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Solution

The fourth proportional to 12,986,553.60, 19,479,830.40 and 5,894,841.60 is: 8,842,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,553.60 : 19,479,830.40 = 5,894,841.60 : x
  2. Step 2: Convert to fraction form
    12,986,553.60/19,479,830.40 = 5,894,841.60/x
  3. Step 3: Cross multiply
    12,986,553.60x = 19,479,830.40 × 5,894,841.60
  4. Step 4: Simplify right side
    12,986,553.60x = 114,830,514,602,864.62
  5. Step 5: Solve for x
    x = 114,830,514,602,864.62/12,986,553.60
  6. Step 6: Final answer
    x = 8,842,262.40

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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.