Home / 10,065,426.36-15,097,008.77-2,779,921.86

Finding the Fourth Proportional to 10,065,426.36, 15,097,008.77 and 2,779,921.86

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Solution

The fourth proportional to 10,065,426.36, 15,097,008.77 and 2,779,921.86 is: 4,169,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,426.36 : 15,097,008.77 = 2,779,921.86 : x
  2. Step 2: Convert to fraction form
    10,065,426.36/15,097,008.77 = 2,779,921.86/x
  3. Step 3: Cross multiply
    10,065,426.36x = 15,097,008.77 × 2,779,921.86
  4. Step 4: Simplify right side
    10,065,426.36x = 41,968,504,700,334.71
  5. Step 5: Solve for x
    x = 41,968,504,700,334.71/10,065,426.36
  6. Step 6: Final answer
    x = 4,169,570.49

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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.