Home / 10,527,779.28-15,796,476.60-5,728,270.80

Finding the Fourth Proportional to 10,527,779.28, 15,796,476.60 and 5,728,270.80

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Solution

The fourth proportional to 10,527,779.28, 15,796,476.60 and 5,728,270.80 is: 8,595,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527,779.28 : 15,796,476.60 = 5,728,270.80 : x
  2. Step 2: Convert to fraction form
    10,527,779.28/15,796,476.60 = 5,728,270.80/x
  3. Step 3: Cross multiply
    10,527,779.28x = 15,796,476.60 × 5,728,270.80
  4. Step 4: Simplify right side
    10,527,779.28x = 90,486,495,650,663.28
  5. Step 5: Solve for x
    x = 90,486,495,650,663.28/10,527,779.28
  6. Step 6: Final answer
    x = 8,595,022.11

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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.