Home / 19,306,047.40-28,958,628.30-9,718,851.40

Finding the Fourth Proportional to 19,306,047.40, 28,958,628.30 and 9,718,851.40

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Solution

The fourth proportional to 19,306,047.40, 28,958,628.30 and 9,718,851.40 is: 14,578,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,047.40 : 28,958,628.30 = 9,718,851.40 : x
  2. Step 2: Convert to fraction form
    19,306,047.40/28,958,628.30 = 9,718,851.40/x
  3. Step 3: Cross multiply
    19,306,047.40x = 28,958,628.30 × 9,718,851.40
  4. Step 4: Simplify right side
    19,306,047.40x = 281,444,605,195,534.62
  5. Step 5: Solve for x
    x = 281,444,605,195,534.62/19,306,047.40
  6. Step 6: Final answer
    x = 14,578,054.19

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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.