Home / 30,819,057.31-42,518,466.10-17,588,969.32

Finding the Fourth Proportional to 30,819,057.31, 42,518,466.10 and 17,588,969.32

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Solution

The fourth proportional to 30,819,057.31, 42,518,466.10 and 17,588,969.32 is: 24,266,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819,057.31 : 42,518,466.10 = 17,588,969.32 : x
  2. Step 2: Convert to fraction form
    30,819,057.31/42,518,466.10 = 17,588,969.32/x
  3. Step 3: Cross multiply
    30,819,057.31x = 42,518,466.10 × 17,588,969.32
  4. Step 4: Simplify right side
    30,819,057.31x = 747,855,995,766,360.12
  5. Step 5: Solve for x
    x = 747,855,995,766,360.12/30,819,057.31
  6. Step 6: Final answer
    x = 24,266,024.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.