Home / 30,163,415.41-45,238,389.89-13,987,264.78

Finding the Fourth Proportional to 30,163,415.41, 45,238,389.89 and 13,987,264.78

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Solution

The fourth proportional to 30,163,415.41, 45,238,389.89 and 13,987,264.78 is: 20,977,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163,415.41 : 45,238,389.89 = 13,987,264.78 : x
  2. Step 2: Convert to fraction form
    30,163,415.41/45,238,389.89 = 13,987,264.78/x
  3. Step 3: Cross multiply
    30,163,415.41x = 45,238,389.89 × 13,987,264.78
  4. Step 4: Simplify right side
    30,163,415.41x = 632,761,337,598,916.75
  5. Step 5: Solve for x
    x = 632,761,337,598,916.75/30,163,415.41
  6. Step 6: Final answer
    x = 20,977,774.86

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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.