Home / 19,306,012.40-28,958,575.80-9,718,816.40

Finding the Fourth Proportional to 19,306,012.40, 28,958,575.80 and 9,718,816.40

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Solution

The fourth proportional to 19,306,012.40, 28,958,575.80 and 9,718,816.40 is: 14,578,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,012.40 : 28,958,575.80 = 9,718,816.40 : x
  2. Step 2: Convert to fraction form
    19,306,012.40/28,958,575.80 = 9,718,816.40/x
  3. Step 3: Cross multiply
    19,306,012.40x = 28,958,575.80 × 9,718,816.40
  4. Step 4: Simplify right side
    19,306,012.40x = 281,443,081,405,683.12
  5. Step 5: Solve for x
    x = 281,443,081,405,683.12/19,306,012.40
  6. Step 6: Final answer
    x = 14,578,001.69

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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.