Home / 28,768,753.40-43,170,155-10,585,717.08

Finding the Fourth Proportional to 28,768,753.40, 43,170,155 and 10,585,717.08

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Solution

The fourth proportional to 28,768,753.40, 43,170,155 and 10,585,717.08 is: 15,884,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768,753.40 : 43,170,155 = 10,585,717.08 : x
  2. Step 2: Convert to fraction form
    28,768,753.40/43,170,155 = 10,585,717.08/x
  3. Step 3: Cross multiply
    28,768,753.40x = 43,170,155 × 10,585,717.08
  4. Step 4: Simplify right side
    28,768,753.40x = 456,987,047,129,747.38
  5. Step 5: Solve for x
    x = 456,987,047,129,747.38/28,768,753.40
  6. Step 6: Final answer
    x = 15,884,840.08

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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.