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Finding the Fourth Proportional to 18,671,698.40, 28,007,547.60 and 14,892,562.40

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Solution

The fourth proportional to 18,671,698.40, 28,007,547.60 and 14,892,562.40 is: 22,338,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,698.40 : 28,007,547.60 = 14,892,562.40 : x
  2. Step 2: Convert to fraction form
    18,671,698.40/28,007,547.60 = 14,892,562.40/x
  3. Step 3: Cross multiply
    18,671,698.40x = 28,007,547.60 × 14,892,562.40
  4. Step 4: Simplify right side
    18,671,698.40x = 417,104,150,303,970.25
  5. Step 5: Solve for x
    x = 417,104,150,303,970.25/18,671,698.40
  6. Step 6: Final answer
    x = 22,338,843.60

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