Home / 18,435,703.20-27,653,554.80-5,656,187.40

Finding the Fourth Proportional to 18,435,703.20, 27,653,554.80 and 5,656,187.40

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Solution

The fourth proportional to 18,435,703.20, 27,653,554.80 and 5,656,187.40 is: 8,484,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,703.20 : 27,653,554.80 = 5,656,187.40 : x
  2. Step 2: Convert to fraction form
    18,435,703.20/27,653,554.80 = 5,656,187.40/x
  3. Step 3: Cross multiply
    18,435,703.20x = 27,653,554.80 × 5,656,187.40
  4. Step 4: Simplify right side
    18,435,703.20x = 156,413,688,224,969.53
  5. Step 5: Solve for x
    x = 156,413,688,224,969.53/18,435,703.20
  6. Step 6: Final answer
    x = 8,484,281.10

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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.