Home / 7,186,646.60-10,779,969.90-3,407,510.60

Finding the Fourth Proportional to 7,186,646.60, 10,779,969.90 and 3,407,510.60

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Solution

The fourth proportional to 7,186,646.60, 10,779,969.90 and 3,407,510.60 is: 5,111,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,646.60 : 10,779,969.90 = 3,407,510.60 : x
  2. Step 2: Convert to fraction form
    7,186,646.60/10,779,969.90 = 3,407,510.60/x
  3. Step 3: Cross multiply
    7,186,646.60x = 10,779,969.90 × 3,407,510.60
  4. Step 4: Simplify right side
    7,186,646.60x = 36,732,861,701,930.95
  5. Step 5: Solve for x
    x = 36,732,861,701,930.95/7,186,646.60
  6. Step 6: Final answer
    x = 5,111,265.90

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Similar ratio
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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.