Home / 12,884,293.90-17,779,268.64-7,585,147.72

Finding the Fourth Proportional to 12,884,293.90, 17,779,268.64 and 7,585,147.72

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Solution

The fourth proportional to 12,884,293.90, 17,779,268.64 and 7,585,147.72 is: 10,466,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,293.90 : 17,779,268.64 = 7,585,147.72 : x
  2. Step 2: Convert to fraction form
    12,884,293.90/17,779,268.64 = 7,585,147.72/x
  3. Step 3: Cross multiply
    12,884,293.90x = 17,779,268.64 × 7,585,147.72
  4. Step 4: Simplify right side
    12,884,293.90x = 134,858,378,987,963.50
  5. Step 5: Solve for x
    x = 134,858,378,987,963.50/12,884,293.90
  6. Step 6: Final answer
    x = 10,466,881.62

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1.5x scale

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.