Home / 13,346,181.20-20,019,271.80-7,677,477.20

Finding the Fourth Proportional to 13,346,181.20, 20,019,271.80 and 7,677,477.20

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Solution

The fourth proportional to 13,346,181.20, 20,019,271.80 and 7,677,477.20 is: 11,516,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,181.20 : 20,019,271.80 = 7,677,477.20 : x
  2. Step 2: Convert to fraction form
    13,346,181.20/20,019,271.80 = 7,677,477.20/x
  3. Step 3: Cross multiply
    13,346,181.20x = 20,019,271.80 × 7,677,477.20
  4. Step 4: Simplify right side
    13,346,181.20x = 153,697,502,805,102.97
  5. Step 5: Solve for x
    x = 153,697,502,805,102.97/13,346,181.20
  6. Step 6: Final answer
    x = 11,516,215.80

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1.5x scale

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.