Home / 15,012,005.70-22,518,008.55-8,953,578.30

Finding the Fourth Proportional to 15,012,005.70, 22,518,008.55 and 8,953,578.30

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Solution

The fourth proportional to 15,012,005.70, 22,518,008.55 and 8,953,578.30 is: 13,430,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012,005.70 : 22,518,008.55 = 8,953,578.30 : x
  2. Step 2: Convert to fraction form
    15,012,005.70/22,518,008.55 = 8,953,578.30/x
  3. Step 3: Cross multiply
    15,012,005.70x = 22,518,008.55 × 8,953,578.30
  4. Step 4: Simplify right side
    15,012,005.70x = 201,616,752,712,494.50
  5. Step 5: Solve for x
    x = 201,616,752,712,494.50/15,012,005.70
  6. Step 6: Final answer
    x = 13,430,367.45

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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.