Home / 15,172,362.90-22,758,544.35-8,688,782.70

Finding the Fourth Proportional to 15,172,362.90, 22,758,544.35 and 8,688,782.70

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Solution

The fourth proportional to 15,172,362.90, 22,758,544.35 and 8,688,782.70 is: 13,033,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,362.90 : 22,758,544.35 = 8,688,782.70 : x
  2. Step 2: Convert to fraction form
    15,172,362.90/22,758,544.35 = 8,688,782.70/x
  3. Step 3: Cross multiply
    15,172,362.90x = 22,758,544.35 × 8,688,782.70
  4. Step 4: Simplify right side
    15,172,362.90x = 197,744,046,425,462.75
  5. Step 5: Solve for x
    x = 197,744,046,425,462.75/15,172,362.90
  6. Step 6: Final answer
    x = 13,033,174.05

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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.