Home / 19,326,905.60-28,993,857.60-9,718,102.40

Finding the Fourth Proportional to 19,326,905.60, 28,993,857.60 and 9,718,102.40

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Solution

The fourth proportional to 19,326,905.60, 28,993,857.60 and 9,718,102.40 is: 14,578,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,905.60 : 28,993,857.60 = 9,718,102.40 : x
  2. Step 2: Convert to fraction form
    19,326,905.60/28,993,857.60 = 9,718,102.40/x
  3. Step 3: Cross multiply
    19,326,905.60x = 28,993,857.60 × 9,718,102.40
  4. Step 4: Simplify right side
    19,326,905.60x = 281,765,277,127,818.25
  5. Step 5: Solve for x
    x = 281,765,277,127,818.25/19,326,905.60
  6. Step 6: Final answer
    x = 14,578,913.09

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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.