Home / 9,354,565.72-12,909,039.42-5,280,563.80

Finding the Fourth Proportional to 9,354,565.72, 12,909,039.42 and 5,280,563.80

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Solution

The fourth proportional to 9,354,565.72, 12,909,039.42 and 5,280,563.80 is: 7,287,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354,565.72 : 12,909,039.42 = 5,280,563.80 : x
  2. Step 2: Convert to fraction form
    9,354,565.72/12,909,039.42 = 5,280,563.80/x
  3. Step 3: Cross multiply
    9,354,565.72x = 12,909,039.42 × 5,280,563.80
  4. Step 4: Simplify right side
    9,354,565.72x = 68,167,006,254,024.99
  5. Step 5: Solve for x
    x = 68,167,006,254,024.99/9,354,565.72
  6. Step 6: Final answer
    x = 7,287,030.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.