Home / 10,985,430.60-16,478,145.90-8,859,666.60

Finding the Fourth Proportional to 10,985,430.60, 16,478,145.90 and 8,859,666.60

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Solution

The fourth proportional to 10,985,430.60, 16,478,145.90 and 8,859,666.60 is: 13,289,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,430.60 : 16,478,145.90 = 8,859,666.60 : x
  2. Step 2: Convert to fraction form
    10,985,430.60/16,478,145.90 = 8,859,666.60/x
  3. Step 3: Cross multiply
    10,985,430.60x = 16,478,145.90 × 8,859,666.60
  4. Step 4: Simplify right side
    10,985,430.60x = 145,990,878,860,156.94
  5. Step 5: Solve for x
    x = 145,990,878,860,156.94/10,985,430.60
  6. Step 6: Final answer
    x = 13,289,499.90

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Similar ratio
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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.