Home / 18,352,090.20-27,528,038.10-4,705,210.20

Finding the Fourth Proportional to 18,352,090.20, 27,528,038.10 and 4,705,210.20

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Solution

The fourth proportional to 18,352,090.20, 27,528,038.10 and 4,705,210.20 is: 7,057,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352,090.20 : 27,528,038.10 = 4,705,210.20 : x
  2. Step 2: Convert to fraction form
    18,352,090.20/27,528,038.10 = 4,705,210.20/x
  3. Step 3: Cross multiply
    18,352,090.20x = 27,528,038.10 × 4,705,210.20
  4. Step 4: Simplify right side
    18,352,090.20x = 129,525,205,654,108.62
  5. Step 5: Solve for x
    x = 129,525,205,654,108.62/18,352,090.20
  6. Step 6: Final answer
    x = 7,057,790.38

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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.