Home / 15,210,142-20,989,995.96-8,771,614

Finding the Fourth Proportional to 15,210,142, 20,989,995.96 and 8,771,614

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Solution

The fourth proportional to 15,210,142, 20,989,995.96 and 8,771,614 is: 12,104,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,142 : 20,989,995.96 = 8,771,614 : x
  2. Step 2: Convert to fraction form
    15,210,142/20,989,995.96 = 8,771,614/x
  3. Step 3: Cross multiply
    15,210,142x = 20,989,995.96 × 8,771,614
  4. Step 4: Simplify right side
    15,210,142x = 184,116,142,422,679.44
  5. Step 5: Solve for x
    x = 184,116,142,422,679.44/15,210,142
  6. Step 6: Final answer
    x = 12,104,827.32

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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.