Home / 30,137,484.96-45,205,216.56-13,098,156.48

Finding the Fourth Proportional to 30,137,484.96, 45,205,216.56 and 13,098,156.48

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Solution

The fourth proportional to 30,137,484.96, 45,205,216.56 and 13,098,156.48 is: 19,646,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137,484.96 : 45,205,216.56 = 13,098,156.48 : x
  2. Step 2: Convert to fraction form
    30,137,484.96/45,205,216.56 = 13,098,156.48/x
  3. Step 3: Cross multiply
    30,137,484.96x = 45,205,216.56 × 13,098,156.48
  4. Step 4: Simplify right side
    30,137,484.96x = 592,105,000,215,167.38
  5. Step 5: Solve for x
    x = 592,105,000,215,167.38/30,137,484.96
  6. Step 6: Final answer
    x = 19,646,795.38

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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.