Home / 10,391,875.90-15,545,823.45-8,987,530.30

Finding the Fourth Proportional to 10,391,875.90, 15,545,823.45 and 8,987,530.30

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Solution

The fourth proportional to 10,391,875.90, 15,545,823.45 and 8,987,530.30 is: 13,444,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,875.90 : 15,545,823.45 = 8,987,530.30 : x
  2. Step 2: Convert to fraction form
    10,391,875.90/15,545,823.45 = 8,987,530.30/x
  3. Step 3: Cross multiply
    10,391,875.90x = 15,545,823.45 × 8,987,530.30
  4. Step 4: Simplify right side
    10,391,875.90x = 139,718,559,295,325.55
  5. Step 5: Solve for x
    x = 139,718,559,295,325.55/10,391,875.90
  6. Step 6: Final answer
    x = 13,444,979.58

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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.