Home / 18,241,781.10-27,362,671.65-4,779,969.90

Finding the Fourth Proportional to 18,241,781.10, 27,362,671.65 and 4,779,969.90

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Solution

The fourth proportional to 18,241,781.10, 27,362,671.65 and 4,779,969.90 is: 7,169,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241,781.10 : 27,362,671.65 = 4,779,969.90 : x
  2. Step 2: Convert to fraction form
    18,241,781.10/27,362,671.65 = 4,779,969.90/x
  3. Step 3: Cross multiply
    18,241,781.10x = 27,362,671.65 × 4,779,969.90
  4. Step 4: Simplify right side
    18,241,781.10x = 130,792,746,870,583.34
  5. Step 5: Solve for x
    x = 130,792,746,870,583.34/18,241,781.10
  6. Step 6: Final answer
    x = 7,169,954.85

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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.