Home / 13,426,094.76-18,523,150.50-8,782,530.28

Finding the Fourth Proportional to 13,426,094.76, 18,523,150.50 and 8,782,530.28

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Solution

The fourth proportional to 13,426,094.76, 18,523,150.50 and 8,782,530.28 is: 12,116,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,094.76 : 18,523,150.50 = 8,782,530.28 : x
  2. Step 2: Convert to fraction form
    13,426,094.76/18,523,150.50 = 8,782,530.28/x
  3. Step 3: Cross multiply
    13,426,094.76x = 18,523,150.50 × 8,782,530.28
  4. Step 4: Simplify right side
    13,426,094.76x = 162,680,130,147,247.12
  5. Step 5: Solve for x
    x = 162,680,130,147,247.12/13,426,094.76
  6. Step 6: Final answer
    x = 12,116,712.50

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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.