Home / 15,016,575-20,739,980.70-10,179,280.92

Finding the Fourth Proportional to 15,016,575, 20,739,980.70 and 10,179,280.92

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Solution

The fourth proportional to 15,016,575, 20,739,980.70 and 10,179,280.92 is: 14,059,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,575 : 20,739,980.70 = 10,179,280.92 : x
  2. Step 2: Convert to fraction form
    15,016,575/20,739,980.70 = 10,179,280.92/x
  3. Step 3: Cross multiply
    15,016,575x = 20,739,980.70 × 10,179,280.92
  4. Step 4: Simplify right side
    15,016,575x = 211,118,089,820,678.25
  5. Step 5: Solve for x
    x = 211,118,089,820,678.25/15,016,575
  6. Step 6: Final answer
    x = 14,059,004.12

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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.