Home / 10,792,697.60-16,168,051.20-6,520,174.40

Finding the Fourth Proportional to 10,792,697.60, 16,168,051.20 and 6,520,174.40

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Solution

The fourth proportional to 10,792,697.60, 16,168,051.20 and 6,520,174.40 is: 9,767,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792,697.60 : 16,168,051.20 = 6,520,174.40 : x
  2. Step 2: Convert to fraction form
    10,792,697.60/16,168,051.20 = 6,520,174.40/x
  3. Step 3: Cross multiply
    10,792,697.60x = 16,168,051.20 × 6,520,174.40
  4. Step 4: Simplify right side
    10,792,697.60x = 105,418,513,532,129.28
  5. Step 5: Solve for x
    x = 105,418,513,532,129.28/10,792,697.60
  6. Step 6: Final answer
    x = 9,767,577.80

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1.5x scale

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.