Home / 15,057,410.04-20,779,357.50-8,181,892.08

Finding the Fourth Proportional to 15,057,410.04, 20,779,357.50 and 8,181,892.08

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Solution

The fourth proportional to 15,057,410.04, 20,779,357.50 and 8,181,892.08 is: 11,291,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,410.04 : 20,779,357.50 = 8,181,892.08 : x
  2. Step 2: Convert to fraction form
    15,057,410.04/20,779,357.50 = 8,181,892.08/x
  3. Step 3: Cross multiply
    15,057,410.04x = 20,779,357.50 × 8,181,892.08
  4. Step 4: Simplify right side
    15,057,410.04x = 170,014,460,556,738.59
  5. Step 5: Solve for x
    x = 170,014,460,556,738.59/15,057,410.04
  6. Step 6: Final answer
    x = 11,291,082.60

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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.